I'm starting the advanced class.

我开始学高级课程了。

youdao

I wanted to take the advanced class but I didn't have the prerequisites.

我想上高级课程，但是不满足它的前提要求。

youdao

Ranges from recreational classes to competitive programmes for all age groups. There is a select advanced class for the most promising gymnasts.

课程覆盖所有年龄段人群，从娱乐性课程延伸到竞技类项目，这里还为有潜质的体操运动员们提供加强班的课程。

youdao

You may run into upper-class students, students who are more advanced, you will run into your TA.

你可能会碰上高年级的学生,他们比你的水平要高,当然还有助教

耶鲁公开课 - 基础物理课程节选

And class size is pretty small if you go up to, you know, advanced level classes.

班级挺小的，如果，你知道，你去上高级课程的话。

要考入大学 - SpeakingMax英语口语达人

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