如果你了解其他地方，一般的实验室，比如在星期四下午有实验课，这些实验要么是讲座的两周前，要么是讲座的两周后，才进行。

If you look at the normal labs that are in many places, you have a lab on Thursday afternoons, and the labs are either two weeks ahead or two weeks behind the lecture material.

youdao

如果你了解其他地方，一般的实验室，比如在星期四下午有实验课，这些实验要么是讲座的两周前，要么是讲座的两周后，才进行。

If you look at the normal labs that are in many places, you have a lab on Thursday afternoons, and the labs are either two weeks ahead or two weeks behind the lecture material.

youdao