整个下午，我都在下载生物课件。

I spent the whole afternoon in downloading biological courseware.

youdao

因此，在这去十年中，我下载了许多生物学课件。

Therefore I downloaded many biological coursewares during the past ten years.

youdao

实验课件的上传与下载。

Experiment courseware uploading and download.

youdao

You take notes any way you choose, but if you don't get anything on there it'll be available online.

你可以用自己的方式做笔记,但如果你不想记笔记,也大可直接下载课件

耶鲁公开课 - 心理学导论课程节选