你们得在下课前将这些试卷看一遍。

You have to look through these papers before the class is over.

youdao

大部分时间，在下课前我就很累累了。

Most of the time, I feel tired before class is over.

youdao

请在下课前做完分数作业。

Please complete your fractions before the end of class.

youdao

我建议你们在下课前完成这个练习，行吗？

May I suggest that you finish it before class is over?

youdao

你必须在下课前交给教授团队成员与队名的名单。

You must provide the professor with a written list of team members and a team name before leaving class.

youdao

书面报告 应在实验活动最后一天完成，并在下课前缴交。

Written reports are due by class time, on the due day at the lab.

youdao

书面报告 应在实验活动最后一天完成，并在下课前缴交。

Written reports are due by class time, on the due day at the lab.

youdao