When does the class start?

什么时候上课？

《牛津词典》

And this is only Google to enterprise-class start.

而这只是谷歌转向企业级的开始。

youdao

It always takes the class a while to settle down at the start of the lesson.

那个班一上课总得过一会儿才能安静下来。

《牛津词典》

I got a room and waited for the start of my class.

VOA: special.2010.01.30

So, normally at this point, we do actually start class with a little bit of history from alchemy to modern chemistry, but I decided to skip that this year.

通常在这个时候,我们要从一些从炼金术,到现代化学的历史出发正式开始我们的课程。

麻省理工公开课 - 化学原理课程节选

We need to think about solutions to this, right from the start of the class, and we already talked about something.

从一上课开始,我们就应该开始,思考这些问题解决方案,现在我们已经谈论了一些了

耶鲁公开课 - 博弈论课程节选

Most of them go through rounds of applications, typically in October, January and March for a September class start.

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When there are fewer teachers in our schools, class sizes start climbing up.

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