前后摄像头转换
- (void)viewDidLoad
[super viewDidLoad];
UIImageView *imageView = [[UIImageView alloc] init];
imageView.frame = CGRectMake(0, 0, 80, 120);
imageView.backgroundColor = [UIColor greenColor];
imageView.tag = 101;
[self.view addSubview:imageView];
UIButton *button = [UIButton buttonWithType:UIButtonTypeRoundedRect];
button.frame = CGRectMake(0, 200, 100, 30);
[button setTitle:@"打开相册"
forState:UIControlStateNormal];
[button addTarget:self action:@selector(openPics) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:button];
UIButton *button2 = [UIButton buttonWithType:UIButtonTypeRoundedRect];
button2.frame = CGRectMake(0, 300, 100, 30);
[button2 setTitle:@"打开相机"
forState:UIControlStateNormal];
[button2 addTarget:self action:@selector(openCamera) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:button2];
- (void)openCamera {
isCamera = [UIImagePickerController isCameraDeviceAvailable:UIImagePickerControllerCameraDeviceRear];
(!isCamera) {
NSLog(@"没有摄像头");
UIImagePickerController *imagePicker = [[UIImagePickerController alloc] init];
imagePicker.sourceType = UIImagePickerControllerSourceTypeC
imagePicker.delegate =
imagePicker.allowsEditing = YES;
presentViewController:imagePicker animated:YES completion:^{
- (void)openPics {
UIImagePickerController *imagePicker = [[UIImagePickerController alloc] init];
imagePicker.sourceType = UIImagePickerControllerSourceTypePhotoL
imagePicker.delegate =
presentViewController:imagePicker animated:YES completion:^{
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info{
NSLog(@"%@", info);
UIImageView
*imageView = (UIImageView *)[self.view viewWithTag:101];
UIImage *image = [info objectForKey:UIImagePickerControllerEditedImage];
imageView.image =
[picker dismissViewControllerAnimated:YES completion:NULL];
- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker {
[picker dismissViewControllerAnimated:YES completion:NULL];
没有更多推荐了，
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各品牌网络监控摄像头RTSP地址查询
rtsp://IP地址/cam1/h264
rtsp://IP地址/live.sdp
rtsp://IP地址/media/media.amp
rtsp://IP地址/mpeg4/1/media.amp
Absolutron
rtsp://IP地址/image.mpg
1. rtsp://192.168.0.100:7070/
2. rtsp://192.168.0.100/
rtsp://IP地址/mpg4/rtsp.amp
Airlink101
rtsp://IP地址/mpeg4
rtsp://IP地址/video.mp4
1. rtsp://IP地址/cam1/mjpeg
2. rtsp://IP地址/cam1/mpeg4
3. rtsp://IP地址/cam1/h264
rtsp://IP地址:555/0/1:1/main
rtsp://IP地址/cam1/mpeg4
1. rtsp://IP地址/GetData.cgi
2. rtsp://IP地址/
1. rtsp://IP地址/mpeg4
2. rtsp://IP地址:8554/mpeg4
Uriel: rtsp://IP地址/mpeg4
1. rtsp://IP地址/live/mpeg4
2. rtsp://IP地址/live/h264
安迅士/AXIS
1. rtsp://IP地址/mpeg4/media.amp
2. rtsp://IP地址/安迅士/AXIS-media/media.amp
rtsp://IP地址
1. rtsp://192.168.100.x/mpeg4
2. rtsp://IP地址/h264?multicast
1. IP: CCTV: rtsp://IP地址/
2. IP: CCTV: rtsp://IP地址/user.pin.mp2
rtsp://IP地址/mpeg4
博士/Bosch
1. rtsp://192.168.0.1/rtsp_tunnel
2. rtsp://192.168.0.1/video
3. rtsp://192.168.0.1/?inst=2
金砖通讯/Brickcom
rtsp://192.168.1.1/channel1
佳能/canon
1. rtsp://192.168.100.1/
2. rtsp://192.168.100.1/stream/profile1=u
3. rtsp://192.168.100.1/profile1=r
4. rtsp://192.168.100.1/profile1=u
rtsp://IP地址/gnz_media/main
思科/Cisco
1. rtsp://IP地址/img/media.sav
2. rtsp://IP地址
Clairvoyant
MWR: rtsp://IP地址/av0_0
喜恩碧/CNB
1. rtsp://192.168.123.100/
2. rtsp://192.168.123.100/mpeg4
1. rtsp://IP地址/stream1
2. rtsp://IP地址/cam
rtsp://IP地址/medias1
rtsp://admin:admin@192.168.1.108:554/cam/realmonitor?channel=1&subtype=1
1. rtsp://IP地址/play1.sdp
2. rtsp://IP地址/play2.sdp
rtsp://IP地址/encoder1
rtsp://IP地址/: ch0_0.h264
DVTel-IOimage
rtsp://IP地址/ioImage/1
EagleVision
rtsp://IP地址/11
讯舟科技/EDIMAX
1. rtsp://IP地址/ipcam.sdp
2. rtsp://IP地址/ipcam_h264.sdp
rtsp://IP地址/1/stream1
Etrovision
rtsp://IP地址/rtpvideo1.sdp
EverWorldView
rtsp://IP地址
慧友/EverFocus
rtsp://IP地址/streaming/channels/0
CCTV: rtsp://IP地址/mpeg4
菲力尔/FLIR
1. Systems: rtsp://IP地址/ch0
2. Systems: rtsp://IP地址/vis
3. Systems: rtsp://IP地址:544/wfov
福斯康姆/Foscam
rtsp://IP地址/11
RTSP://IP地址/
rtsp://IP地址/video.mp4
rtsp://IP地址
rtsp://IP地址/avn=2
奇偶/GeoVision
rtsp://192.168.0.10:8554/CH001.sdp
潮流网络/Grandstream
rtsp://192.168.1.168/
1. rtsp://IP地址/jpeg
2. rtsp://IP地址/h264
rtsp://IP地址/mpeg4
海康威视/Hikvision
rtsp://192.0.0.64:554/h264
HuntElectronics
rtsp://IP地址/video1+audio1
rtsp://IP地址/stream1
rtsp://IP地址
IndigoVision
rtsp://IP地址
英飞拓/Infinova
rtsp://IP地址/1.AMP
InnovativeSecurityDesigns
rtsp://IP地址/stream1
DIGITAL: rtsp://IP地址/
Intellinet
rtsp://IP地址/video.mp4
rtsp://IP地址/
rtsp://IP地址/videoinput_1/h264_1/media.stm
rtsp://IP地址/mpeg4
rtsp://IP地址/camera.stm
IQinvision
1. rtsp://IP地址/now.mp4
2. rtsp://IP地址/mp4
rtsp://IP地址/
1. rtsp://IP地址/PSIA/Streaming/channels/0
2. rtsp://IP地址/PSIA/Streaming/channels/1
CSST-DIT: rtsp://IP地址
rtsp://IP地址/h264/
朗驰/Launch
1. rtsp://IP地址/0/username:password/main
2. rtsp://IP地址:554/0/username:password/main
rtsp://IP地址/
1. rtsp://IP地址/access_code
2. rtsp://IP地址/channel1
3. rtsp://IP地址/live.sdp
4. rtsp://IP地址/video.mp4
5. rtsp://IP地址/h264
rtsp://IP地址/img/video.sav
rtsp://IP地址/HighResolutionVideo
rtsp://IP地址/video.mp4
rtsp://IP地址/
LUXONVIDEO
rtsp://IP地址/user_defined
rtsp://IP地址/mpeg4
rtsp://IP地址/0/usrnm:pwd/main
MC Electronics
rtsp://IP地址/
MeritLi-Lin
1. http://IP地址:/rtsph264720p
2. http://IP地址/rtsph2641080p
3. http://IP地址:/rtsph264
4. http://IP地址:/rtsph2641024p
5. rtsp://IP地址/rtsph264
6. http://IP地址:/rtspjpeg
7. http://IP地址:/rtsph264
1. rtsp://192.168.1.30:
2. rtsp://192.168.1.30/mpeg4
3. rtsp://192.168.1.30/livestream/
4. rtsp://192.168.1.30:7070
MicroDigital
rtsp://IP地址/cam0_0
rtsp://IP地址/multicaststream
rtsp://IP地址/video1
rtsp://IP地址/cam0_0
rtsp://IP地址/h264
松下/Panasonic
1. rtsp://admin:admin@192.168.0.253:port//nphMpeg4/g726-640x48
2. rtsp://192.168.0.253/nphMpeg4/g726-640x480
3. rtsp://192.168.0.253/nphMpeg4/nil-320x240
4. rtsp://192.168.0.253/MediaInput/h264
5. rtsp://192.168.0.253/nphMpeg4/g726-640x
6. rtsp://192.168.0.253/MediaInput/mpeg4
派尔高/Pelco
rtsp://IP地址/stream1
rtsp://IP地址
1. rtsp://IP地址/ipcam.sdp
2. rtsp://IP地址/ipcam_h264.sdp
3. rtsp://IP地址/media/media.amp
rtsp://IP地址/cam1/h264/multicast
QihanTechology
rtsp://IP地址
rtsp://IP地址/cam1/mpeg4?user='username'&pwd='password'
rtsp://IP地址
三星/Samsung
1. rtsp://192.168.1.200/mpeg4unicast
2. rtsp://192.168.1.200/mjpeg/media.smp
3. rtsp://192.168.1.200/h264/media.smp
rtsp://IP地址/
三洋/Sanyo
rtsp://192.168.0.2/VideoInput/1/h264/1
ScallopImaging
rtsp://IP地址:8554/main
rtsp://IP地址/mpeg4
SeyeonTech
rtsp://IP地址/cam0_1
rtsp://IP地址/live_mpeg4.sdp
西门子/Siemens
1. rtsp://IP地址/img/video.asf
2. rtsp://IP地址/livestream
1. rtsp://IP地址/mpeg4
2. rtsp://IP地址/h264
3. rtsp://:IP地址/VideoInput/1/h264/1
4. rtsp://:IP地址/VideoInput/1/mpeg4/1
rtsp://IP地址/img/video.sav
rtsp://IP地址/media/video1
rtsp://IP地址/mpeg4
rtsp://192.168.1.7/
rtsp://IP地址/nph-h264.cgi
海视云威/StarVedia
rtsp://IP地址/CAM_ID.password.mp2
rtsp://IP地址/stream1
SuperCircuits
1. rtsp://IP地址/ch0_unicast_firststream
2. rtsp://IP地址/ch0_unicast_secondstream
3. rtsp://IP地址/live/mpeg4
rtsp://IP地址/mpeg4
1. rtsp://IP地址/av2
2. rtsp://IP地址/live.sdp
1. rtsp://IP地址:7070
2. rtsp://IP地址/h264/media.amp
rtsp://IP地址/video.mp4
1. rtsp://IP地址/mpeg4
2. rtsp://IP地址/play1.sdp
rtsp://IP地址/video1
优倍快网络/Ubiquiti
rtsp://IP地址/live/ch00_0
UDP Technology
rtsp://IP地址/ch0_unicast_firststream
rtsp://IP地址
rtsp://IP地址/11
1. rtsp://{user:password}@IP地址:7070/
2. rtsp://IP地址/access_name_for_stream_1_to_5
3. rtsp://{user:password}@IP地址:7070/
4. rtsp://IP地址:
rtsp://IP地址/mpeg4/1/media.amp
VisionDigi
rtsp://IP地址/
VisionhitechAmericas
rtsp://IP地址/h264&basic_auth=&base64_union_of_id&pwd&
rtsp://IP地址
1. rtsp://IP地址/cam1/h264
2. rtsp://IP地址/
rtsp://IP地址/ch0.sdp
晶睿通讯/Vivotek
rtsp://192.168.1.20/live.sdp
rtsp://IP地址:
rtsp://192.168.0.10:554/user=admin&password=&channel=1&stream=0.sdp?
rtsp://IP地址/live_mpeg4.sdp
有看头Yoosee
rtsp://IP地址:554/onvif1
rtsp://IP地址/
1. rtsp://IP地址/video.3gp
2. rtsp://IP地址/video.mp4
没有更多推荐了，
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全部答案（共8个回答）
后再连接。
是网络中断重新连一下网即可
不用这么麻烦，Word本身就有“书籍折页”打印功能
“文件—页面设置”命令中，选取“页边距”标签，页码范围的“多页”栏由“普通”改为“书籍折页”；纸张大小为A3...
你用了非法程序 或者 服务器正在重启
1、庄家出货的一种手法，先用大单封到涨停，吸引散户跟风追涨，然后撤单出货，涨停就打开了。
2、激进的庄家在底部快速吃货的一种手法，先用一定量的买单先买入封涨停，...
你好,欢迎来宜昌,相关回复如下:1,这个季节水量充沛,三峡大瀑布还是优秀.2,带着老人和孩子推荐你要么跟团要么包车去吧,自己坐车得倒几次车,时间都浪费在路上了
答: 大话畜牧做什么最赚钱
答: 发布日期：日
本客户端为5月10日《巨人》最新公测完整客户端。
http下载：
文件名：hugemanclient_.rar
答: 是什么问题啊?
铝属于两性金属，遇到酸性或碱性都会产生不同程度的腐蚀，尤其是铝合金铸件的孔隙较多，成分中还含有硅和几种重金属，其防腐蚀性能比其他铝合金更差，没有进行防护处理的铝铸件只要遇到稍带碱性或稍带酸性的水，甚至淋雨、水气、露水等就会受到腐蚀，产生白锈。
解决的办法。
铝铸件完成铸造后，在机械加工前，先要进行表面预处理，如预先对铸件进行喷砂，涂上一道底漆（如锌铬黄底漆），在此基础上再进行机械加工，以避免铸铝件在没有保护的情况下放久了被腐蚀。
嫌麻烦就把你洗衣机的型号或断皮带，拿到维修点去买1个，自己装上就可以了（要有个小扳手把螺丝放松，装上皮带，拉紧再紧固螺丝）。
对于由非金属通过共价键形成的化合物,极性与否不是看键是不是极性的.而是要分析几个键之间的相互作用力是否可以抵消,像CO2是直线型的,结构式为:O=C=O,作用力等效作用于碳原子两边,按物理上的受力分析来看,不正好得以抵消吗?而SO2由于受力方向不同,就无法达到这样的效果.
平时做的练习里也常常会出现让你写一下分子构型或是电子式的,出现频率较高的有:NH3(三角锥型),CH4(正四面体),CO2(直线型),像过氧化物的有时也会让你写一下电子式.这些一般讲知识点的时候老师都会提及到的.
说的太好了 !我们自己要把握好.
债项评级是对交易本身的特定风险进行计量和评价，反映客户违约后的债项损失大小。特定风险因素包括抵押、优先性、产品类别、地区、行业等。债项评级既可以只反映债项本身的交易风险，也可以同时反映客户信用风险和债项交易风险。
注销公积金账户并进行提取，3个月内会到职工公积金联名卡所在的银行账户内。携带资料以下4样：
1.住房公积金提取申请表，一式三份； 2.住房公积金提取凭证，一式四联，加盖财务章； 3.劳动关系解除协议原件及复印件；
4.本人身份证及复印件。
迪曲及摇滚乐都属于过分激烈的音乐，长期听这种音乐，会使孕妇的神经系统受到强烈的刺激，并破坏心脏及血管系统的正常功能，使人体中去甲肾上腺素的分泌增多，从而使孕妇子宫平滑肌收缩，造成胎儿血液循环受阻，胎盘供血不足，引起胎儿发育不良，同时这也是造成流产或早产的原因之一。
有以下方法进食：
　1.取当归5克、黄芪3克、通草5克，每天用这三味中药煮成一碗药汁，在给产妇吃的各种食物中都加上一勺，这样中药的气味不重，又能起到补气血、通乳的作用。同时，三味中药的用量不大，适合身体虚弱的人慢慢调补，而且不会上火。
　　2.把红枣洗净后放入铁锅炒到表皮发黑，放入瓶中待用，每天取炒过的红枣4-6粒，桂圆4-6粒，冲水泡茶经常饮用。内火重的人，可以加枸杞子6-10粒一同饮用。红枣经铁锅炒制后具有暖胃的作用，同时炒制后的红枣易于泡开，能全面利用其营养成分，所以每天饮用此茶能起到补气血、调脾胃、治失眠、止虚汗的作用。
　　3.取鳝鱼1斤、瘦猪肉半斤，放入生姜5-8片、葱2-3根、蒜10瓣，再加入调味品红烧，经常食用可以起到补肾、去肾寒、补血的作用，可以治疗浑身酸痛、腰膝酸软、四肢无力等。
需看您的贷款用途，申请贷款，针对您具体申请贷款的执行利率、金额、贷款期限以及贷款还款方式的信息，需要您申请贷款后经办行在具体审核您的综合信息，贷款审核通过后才能确定。
我用的就是国产的化妆品，伊肤丽佰，效果很不错。
信号不调制展开升空天线太长，无法架设。根据波长与频率的关系，频率越高波长就越高，而天线的长度是四分之一波长，如果低频就必须很长的天线。调制之后频率提升了 增大了天线的长度 抗干扰能力也减少了
你只要找个技校甄选考《汽车修理中级证》就可以了！培训和考试费大概要960 元！
学汽车补漆技术建议到专业的汽车修理培训学校自学，自由选择学校时一定要实地考察，不要惧怕别人的话，因为耳听为虚眼见为实，有的时候肉眼看见的都不一定是真的。只有实地考察对比之后才告诉哪个汽车补漆培训学校更合适你。
格兰特，作为管道行业科技创新的新锐先锋，秉承着恒久不变的前瞻特质，以“亲水·亲情·亲生活”的品牌理念，致力于“国际绿色健康输水系统”的建设，将创新科技、节能环保、时尚设计完美结合制造高标准、高品质、高效率、高服务的输水管道解决方案，为全球消费者提供最大化的健康水环境 并引领着中国管道行业高水准时代。
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Copyright &
Corporation, All Rights Reserved
确定举报此问题
举报原因(必选)：
广告或垃圾信息
激进时政或意识形态话题
不雅词句或人身攻击
侵犯他人隐私
其它违法和不良信息
报告，这不是个问题
报告原因(必选)：
这不是个问题
这个问题分类似乎错了
这个不是我熟悉的地区一键安装桌面版，查词翻译快三倍
选择要添加的生词本
（在do之后、主动词的原形之前加 not，构成主动词的否定式）
Do is used to form the negative of main verbs, by putting 'not' after 'do' and before the main verb in its infinitive form, that is the form without 'to'.
They don't want to work...
他们不想工作。
I did not know Jamie had a knife...
我不知道杰米有一把刀。
（将主语置于do和主动词的原形之间，构成疑问句）
Do is used to form questions, by putting the subject after 'do' and before the main verb in its infinitive form, that is the form without 'to'.
Do you like music?...
你喜欢音乐吗？
What did he say?...
他说了什么？
（用在附加疑问句中）
Do is used in question tags.
You know about Andy, don't you?...
你知道安迪的情况，是不是？
I'm sure they had some of the same questions last year, didn't they?
我确定他们去年遇到过一些同样的问题，是不是？
（对含有do的陈述句或疑问句作肯定或否定回答）
You use do when you are confirming or contradicting a statement containing 'do', or giving a negative or positive answer to a question.
'Did he think there was anything suspicious going on?' — 'Yes, he did.'...
“他认为有可疑的事发生吗?”——“是的，他认为有。”
'Do you have a metal detector?' — 'No, I don't.'...
“你有金属探测仪吗?”——“不，我没有。”
（用在否定句中，表示不让某人做出某种举动）
Do is used with a negative to tell someone not to behave in a certain way.
Don't be silly...
别犯傻了。
Don't touch that!
（在没有其他助动词时，用来强调主动词）
Do is used to give emphasis to the main verb when there is no other auxiliary.
Veronica, I do understand...
韦罗妮卡，我确实懂了。
You did have a tape recorder with you.
你确实带了录音机。
（用以礼貌性地邀请或说服某人做某事）
Do is used as a polite way of inviting or trying to persuade someone to do something.
Do sit down...
Do help yourself to another drink.
再来一杯吧。
（在进行对比、比较或说明两组事物相同时，用来代替前面的动词词组）
Do can be used to refer back to another verb group when you are comparing or contrasting two things, or saying that they are the same.
I make more money than he does...
我挣钱比他多。
One day she will walk out, just as her own mother did...
总有一天她会离家出走，就像她母亲那样。
（与 so 或 nor 连用，表示两人或两组事物的情况相同）
You use do after 'so' and 'nor' to say that the same statement is true for two people or groups.
You know that's true, and so do I...
你知道那是真的，我也知道。
We don't forget that. Nor does he...
我们没有忘记那事，他也没有。
OTHER VERB USES
其他动词用法
做，干，进行(常用于代替某个具体的动词)
When you do something, you take some action or perform an activity or task. Do is often used instead of a more specific verb, to talk about a common action involving a particular thing. For example you can say 'do your teeth' instead of 'brush your teeth'.
I was trying to do some work...
我当时正想要干点活。
After lunch Elizabeth and I did the washing up...
吃过午饭后，我和伊丽莎白洗了碗。
（用来代替任何动词词组或前一个句子中的动词词组）
Do can be used to stand for any verb group, or to refer back to another verb group, including one that was in a previous sentence.
What are you doing?...
你在干什么？
So tell me what this molecule does that makes it special...
那么告诉我这个分子有何作用而使其与众不同。
（用于句首从句中 what，all等词之后，以强调句尾的信息）
You can use do in a clause at the beginning of a sentence after words like 'what' and 'all', to give special emphasis to the information that comes at the end of the sentence.
All she does is complain...
她只知道抱怨。
What I should do is go and see her...
我应该去看她。
If you do a particular thing with something, you use it in that particular way.
I was allowed to do whatever I wanted with my life...
我可以自由支配自己的生活。
What did he do with the thirty pounds?...
他用这30英镑干了什么？
If you do something about a problem, you take action to try to solve it.
They refuse to do anything about the real cause of crime: poverty...
他们拒绝采取措施解决引发犯罪的真正问题：贫穷。
Well, what are you going to do about it?...
嗯，你打算怎么处理它呢？
造成，产生(好的或坏的结果或影响）
If an action or event does a particular thing, such as harm or good, it has that result or effect.
A few bombs can do a lot of damage...
几枚炸弹就可以造成严重破坏。
It'll do you good to take a rest...
休息一下对你有好处。
（在一定程度上）影响，改进
You can use do to talk about the degree to which a person, action, or event affects or improves a particular situation.
The current reforms will do much to create these conditions...
当前的改革对创造这些条件大有帮助。
They did everything they could to help us...
他们竭尽所能来帮助我们。
对…有极坏影响
You can talk about what someone or something does to a person to mean that they have a very harmful effect on them.
I saw what the liquor was doing to her...
我发现烈酒对她伤害很大。
You overlook the pressure you're under and what it does to you.
你忽视了你所承受的压力及它带给你的后果。
从事(工作或职业)
If you ask someone what they do, you want to know what their job or profession is.
What does your father do?...
你父亲做什么工作？
He knew what he wanted to do from the age of 14.
他14岁起就知道自己日后干什么了。
忙着做;计划做
If you are doing something, you are busy or active in some way, or have planned an activity for some time in the future.
Are you doing anything tomorrow night?...
你明天晚上有计划吗？
'What are you doing for Christmas?' Ella asked. 'We're going to Aunt Molly's.'...
“圣诞节你打算做什么？”埃拉问到。“我们打算去莫莉姨妈家。”
If you say that someone or something does well or badly, you are talking about how successful or unsuccessful they are.
Connie did well at school and graduated with honours...
康妮在学校表现很好，以优异的成绩毕业了。
Out-of-town superstores are doing well...
市郊的超市经营良好。
提供(服务);出售(产品)
If a person or organization does a particular service or product, they provide that service or sell that product.
They provide design services and do printing and packaging...
他们提供设计服务，还进行印刷和包装。
They do a good range of herbal tea.
他们经营种类繁多的花草茶。
能达到(…速度)
You can use do when referring to the speed or rate that something or someone achieves or is able to achieve.
They were doing 70 miles an hour.
他们的速度达到了每小时 70 英里。
His catamaran will do 37 knots.
他的双体船的速度可以达到 37 节。
攻读;研究;学习
If you do a subject, author, or book, you study them at school or college.
I'd like to do maths at university.
我希望在大学里学数学。
So you did 'Macbeth' in the first year?' — 'No, in the first year we did 'Julius Caesar'.'
“那么你在第一年时学了《麦克白》?”——“不，第一年我们学的是《恺撒大帝》。”
If you do a particular person, accent, or role, you imitate that person or accent, or act that role.
Gina does accents extremely well.
吉娜模仿口音惟妙惟肖。
能（或不能）做某事
You can use do to say that you are able or unable to behave in a particular way.
'Can't you be nicer to your sister?' — 'Nice? I don't do nice'.
“难道你不能对你妹妹好一点吗？”——“对她好？我做不到。”
If someone does drugs, they take illegal drugs.
I don't do drugs.
我不吸毒。
I saw him doing ecstasy in the toilets.
我看见他在洗手间吃摇头丸。
If you say that something will do or will do you, you mean that there is enough of it or that it is of good enough quality to meet your requirements or to satisfy you.
Anything to create a scene and attract attention will do...
任何能引起争吵、吸引注意力的事情都可以。
We need a win — a draw won't do at all...
我们需要一场胜利，平局根本不行。
需要;渴望得到
If you say that you could do with something, you mean that you need it or would benefit from it.
I could do with a cup of tea...
我需要一杯茶。
The range could do with being extended.
范围需要扩展。
You can ask someone what they did with something as another way of asking them where they put it.
What did you do with that notebook?
你把那个笔记本放哪儿了？
为何出现在某个地方
If you ask what someone or something is doing in a particular place, you are asking why they are there.
'Dr Campbell,' he said, clearly surprised. 'What are you doing here?'
“坎贝尔医生，”他显然很惊讶地说道，“您怎么在这儿?”
What was he doing in Hyde Park at that time of the morning?
那么一大早他在海德公园干什么？
CONVENTION
(对小孩子所说的话)行啦，够啦
If you say that will do to a child, you are telling them to stop behaving in the way that they are.
与…有关；关于
If you say that one thing has something to do with or is something to do with another thing, you mean that the two things are connected or that the first thing is about the second thing.
Mr Butterfield denies having anything to do with the episode...
巴特菲尔德先生否认和此事有关。
They were shouting at each other. It was something to do with money...
他们在吵架，是为了钱的事。
宴会;社交聚会;社交活动
A do is a party, dinner party, or other social event.
A friend of his is having a do in Stoke...
他的一位朋友正在斯托克举办宴会。
They always have all-night dos there.
他们经常在那儿闹通宵。
注意事项;规矩
If someone tells you the dos and don'ts of a particular situation, they advise you what you should and should not do in that situation.
Please advise me on the most suitable colour print film and some dos and don'ts.
请向我推荐最合适的彩色胶卷，并告诉我一些注意事项。
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