那些因为某些需要得带手机的学生必须取得父母和老师的同意，并且必须在上课期间上交手机。
Those who require their phones for some need must get their parents' and teachers' approval and must hand their phones over during class time.
为了衡量上课期间上网对学生注意力分散的影响，研究人员对密歇根州立大学修读心理学入门课程的500名学生进行了评估。
To measure the effects of Internet-based distractions during class, researchers evaluated 500 students taking an introductory psychology class at Michigan State University.
上课期间，我们随意的交谈着。
上课期间﹐家长们请保持安静。
在上课期间内不要离开学校。
学员在上课期间必须将手提电话及传呼机关掉。
All mobile phone and beeper must be switched off during lesson.
他上课期间睡着了。
有几天在上课期间，他忽然一下子记不起一些字句，茫然地露出愧色。
Some days in the course of our lessons he would suddenly be at a loss for some word and look vacant and ashamed.
在上课期间，得到我们的批准后，时间表和频率是可以改变的。
During the class, get our approval, the timetable and frequency can be changed.
下午两点半开始上课，我的情绪很高，上课期间全神贯注地听老师讲课。
I was in high spirits and paid close attention to the teachers during the lessons.
下午两点半开始上课，我的情绪很高，上课期间全神贯注地听老师讲课。
The classes began at half past two in the afternoon. I was in high spirits and paid close attention to the teachers during the lessons.
自觉遵守工作纪律，认真备课，按时到岗，上课期间不得吸烟、吃东西。
Foreign experts working with DUFE shall observe work disciplines, planning a class carefully and come to a class on time with no smoking, eating allowed in the class;
上课期间，不允许与同学谈论琐事，睡觉、做其他于课堂内容无关的活动。
No permitting for anything such as talking some trifle with classmates , sleeping , doing the other activities irrelevant for the teaching contents in class.
具体而言，我们可以看到有些男生上课期间在网吧打游戏，这是不足为奇的。
Specifically, it is not surprising to see some schoolboys playing computer games in internet-cafe during class time.
上课期间，因病、因事临时请假，可直接向当堂任课教师请假，任课教师可视具体情况决定是否准假。
If sick leave or private affairs leave is necessary during the class, applicant shall ask for leave directly from the lecturer who makes decisions according to circumstances.
今天在伦敦西南一所学校上课期间，甚至可能是课后的橄榄球游戏中，阿洛伊西奥都在考虑这个问题。
All in between his first day of classes at a school in southwest London, and maybe a spot of rugby later on.
今天在伦敦西南一所学校上课期间，甚至可能是课后的橄榄球游戏中，阿洛伊西奥都在考虑这个问题。
All in between his first day of classes at a school in southwest London, and maybe a spot of rugby later on.
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