They arrive at the class in a bad mood, and they leave with a smile.

他们带着坏心情来上课，然后面带微笑离开。

youdao

First, we must work at the class and file level.

首先，我们必须处理类和文件层。

youdao

Ivy: Will you be at the class reunion next year?

Ivy：明年班级聚会，你们会来吗？

youdao

Each December,she has her students make posters about their own celebrations at home and present them to the class.

VOA: special.2009.12.24

I wasn't able to go to the actual graduation ceremony but I was at the class-day ceremony for those seniors to graduating from the religion department. -Right.

额，我没有去成毕业典礼仪式,但我参加了宗教系毕业生典礼,但我参加了宗教系毕业生典礼，-恩。

普林斯顿公开课 - 人性课程节选

The challenge is for the work you are going to be doing at the class time we are doing to spend together.

这一挑战是针对,我们要一起在课上,完成的任务提出的。

麻省理工公开课 - 媒体、教育、市场课程节选

Isabel found everyone very helpful and friendly at the class, which meets at the Sessions House.

BBC: South East Wales - From Mexico to Monmouthshire

The key principle that Amgen relied on was that the plaintiff must prove at the class certification stage that the misrepresentations were material.

FORBES: Amgen: A Supreme Court Case With Immense Business Impact

Republicans could not, with a straight face, lobby to extend tax breaks at the top while letting tax cuts aimed at the middle class expire.

FORBES: Monday Night Vote Lessens Chances of Payroll Tax Cut Approval