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.
上课时她一直不专心。
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.
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.
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.
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.
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.
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.
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.
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.
暑期全职，上课时间兼职。
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.
上课时的第一件事，一定是发回作业，然后让我们提问。
He would grade every one of them before we got to class, hand them back and then ask for questions on the homework.
尽管如此，研究者说试验结果表明推迟学校上课时间是值得的。
Still, the researchers said the results show delaying school starting times is worthwhile.
星期三上午11点，该学生与49岁的哈维在上课时发生争执。
The pupil became involved in an argument with Harvey, 49, during the lesson, at 11am on Wednesday.
但是对于专业歌手，他们上课时增强注意力，集中于提高水平。
But for professional singers, it's the opposite: They increase their concentration and focus on improving their performance during the lesson.
不过，Droke说这对拍档也曾建议她更好地利用上课时间。
But Droke said the pair also have advised her how to make better use of class time.
也许有人会在心里这么说，但当我上课时从来都没有人这么干过。
Maybe someone said it under their breath, but I've never, ever had anyone say that when I've been in a class.
我在上次上课时说过，这段非常著名的花之段落，是一种纯粹的幻想。
I mentioned in the last lecture that the famous flower passage here of course is — this is pure fantasy.
在开始上课时，老师按照点名册开始点名，希望点到你时你能够答“到”。
At the beginning of class, the teacher called from a list of names, expecting you to reply when she called yours.
他注意到小孩子在推迟了上课时间的上午的课堂上参与课堂活动更为经常。
He noticed kids took part more often in morning classes with the later start time.
他注意到小孩子在推迟了上课时间的上午的课堂上参与课堂活动更为经常。
He noticed kids took part more often in morning classes with the later start time.
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