你们完成实验以后，要清扫实验室。

When you have finished your experiment, tidy the lab.

youdao

有一次我们要在展示前清扫实验室，我弄了个吸尘器亲自清扫。

So when we need to vacuum the lab before a demo, I bring in the vacuum cleaner and I vacuum it.

youdao

一旦课题任务完成，对实验室应进行彻底清扫。

This is to make sure the lab clean and health.

youdao

一旦课题任务完成，对实验室应进行彻底清扫。

The room must be clean entirely after finishing the course.

youdao

一旦课题任务完成，对实验室应进行彻底清扫。

The room must be clean entirely after finishing the course.

youdao