老师警告说，如果他们上课时继续使用手机就予以没收。
The teacher threatened to confiscate their phones if they kept using them in class.
在上课时用玩笑话打断老师是不礼貌的。
It is impolite to interrupt teachers with jokes during class.
主日学校的上课时间是9点到10点半；然后是教堂礼拜。
Sabbath-school hours were from nine to half-past ten; and then church service.
在Low教授给NBA学生上课时，我们录下整个上课过程，然后刻成光盘。
We video clipped the class as Professor Low taught the NBA students and then converted them to CDs.
在大学上课时，作者意识到许多关于亚裔美国人的知识都是他在课本上从未学到过的。
When taking a class in college, the author realized that a lot of information about Asian Americans was left out of the textbooks he studied.
学生上法语和数学课时按能力分成小组。
上课时她一直不专心。
上体育课时我总是遭到一些同学嘲笑。
I was often laughed at by some of my classmates in my P.E. class.
这样，你就可以避免在去上课时耽误时间。
That way, you will avoid potential time delays in getting to your classes.
后来到了第三节课时，杜老师进来叫我到前面去。
Later in the third class, Mr. Du came in and asked me to go to the front.
中国教育部宣布，学校应该禁止学生在上课时间携带手机。
The Education Department of China has announced that schools should ban students from carrying mobile phones during school hours.
一位专家表示，在上课时间使用手机会分散学生的注意力。
An expert said mobile phone use was a distraction to students during school hours.
她头两次的化学作业都没有交，这使她开始这门课时成绩就不合格。
She didn't hand in her first two assignments for chemistry, which started her out in the class with a failing grade.
在英国的上学日，除去上课时间，孩子们最多可以每天工作两小时。
Children in Britain can work two hours a day at the most on a school day but not during school hours.
当我坐在长凳上等待上课时，我看到蒂莫西向詹娜挥舞着一个棕色的纸袋。
As I was sitting on the bench, waiting for class to begin, I saw Timothy waving a brown paper bag at Jenna.
第一次在化学实验室上课时，我惊讶地发现学生们都“全副武装”了起来。
The first time I took a class in the chemistry lab, I was surprised to find that students were fully "armed".
在另一项研究中，上课时不发短信的学生比发短信的学生记的笔记要多得多。
In another research, students who didn't text during a lesson took down a lot more notes than those who were texting.
上生物课时我们得解剖青蛙。
上课时，她能写一手优美的板书。
从前她常在上课时画每个人的滑稽相。
She used to draw funny pictures of everybody during lessons.
那天在我准备今天这节课时，我在想。
I was thinking about this the other day as I was preparing the lecture for today.
暑期全职，上课时间兼职。
最多是一年想一次，当我要上这节课时。
Pretty much I think about it only once a year, when I'm giving this very lecture.
开始上课时，也还是会有进行有意义的研究的阻碍。
When class begins, there are then impediments to meaningful research.
如果他头痛，他就叫他妈妈在上课时间带他去看病。
If he had a headache, he asked his mother to take him to the doctor during school hours.
她上课时偷偷看漫画书，常常在课本空白处画满草图。
She read manga secretly in class and filled the margins of her textbooks with her own sketches.
她上课时偷偷看漫画书，常常在课本空白处画满草图。
She read manga secretly in class and filled the margins of her textbooks with her own sketches.
应用推荐