Seeing the funny picture, the whole class burst into laughter.

看到这张有趣的照片，全班同学都突然大笑起来。

youdao

The whole class laughed for a while and continue listening to the class.

全班同学笑了一会之后继续听课。

youdao

The whole class is working hard preparing for the exams.

全班都在努力用功准备考试。

《牛津词典》

I will use that to post information, maybe once in a while send an e-mail to the whole class.

我会在那上面发布通知,可能隔一段时间就会给全班群发一封邮件

耶鲁公开课 - 基础物理课程节选

asked me a question about wine and I had to tell the whole class.

他问了我一个关于葡萄酒的问题，我得在全班同学面前回答。

康奈尔的教授不一样 - SpeakingMax英语口语达人

So, if you feel there's not enough math used, I guarantee you that I certainly know enough eventually to snow the whole class, but that's not the point.

如果你觉得我用的数学太少,我可以保证,我知道的数学知识,足以难倒在座的所有人,但这不是重点

耶鲁公开课 - 基础物理课程节选

If this is the case it is worrying for the whole class of drugs.

FORBES: Eli Lilly Alzheimer's Disease Failure Bolsters Amyloid Theory Skeptics

And more time is now spent on lessons that engage the whole class (as opposed to letting pupils work alone).

ECONOMIST: School curriculum

The whole class took to mouthing, in order to imitate him.

NEWYORKER: Amundsen