我代表全班同学给您写信，邀请您来参加我们的送别晚会。
I'm now writing on behalf of the classmates to invite you to come and attend our farewell party on Saturday.
特雷弗走了过去代表全班发言。
我告诉她作为班长，我有责任代表全班同学表达心声。
I told her that as class President, I had an obligation to my classmates to represent them.
下课后，科代表代表全班给我送了一个礼物：一个装满全班学生祝福纸条的很别致的瓶子。
After class, the student in charge of the course I teach sent a gift on behalf of her classmates: a bottle filled with lots of scrap paper with their wishes.
小科代表害羞的红着脸站在全班同学面前，难以启齿。
The younger instructor stood in front of the students red with embarrassment, unable to broach the subject.
每个学生都要介绍自己的文章，扼要说明并且为全班朗读一到两段具代表性的段落。报告应该是3 - 5分钟。
Each student should introduce his or her article, summarizing it and reading one or two representative paragraphs to the class. Presentations should be about 3-5 minutes.
学生进行小组讨论，归纳出所学过的服装名称。然后推荐一位代表向全班学生汇报，看哪一组归纳得最多。
N ow, work in groups to sum up the names of the clothes we have learnt and each group asks one student to report the results to the class.
我比以往更加坚定，决心代表受压迫的全班同学的利益。
I was more determined than ever to represent the rights of my oppressed classmates.
根据调查结果，小组讨论，然后各组选一名代表在全班学生面前汇报调查结果。
OK. After you finished your answers, please discuss your results in groups. Then report it to the class. I will give you an example of the report on the blackboard.
根据调查结果，小组讨论，然后各组选一名代表在全班学生面前汇报调查结果。
OK. After you finished your answers, please discuss your results in groups. Then report it to the class. I will give you an example of the report on the blackboard.
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