我已经看过书了。

I have read books.

youdao

我不希望大家在读这本音乐书的时候说：“哦，我已经在力宏的周记中看过这篇了！”

I don't want you all to say, 'Oh, I've read this already in his journal!' when you read the book!

youdao

我记得上个星期之前我已经看过3本书了。

I remember I have read 3 books last week.

youdao

I want to just highlight what's in Chapter 2, because I told you we're not going to cover the details in Chapter 2 in the course, but I give it to you as a resource so that you you might have other books which describe this which you like, and you've read already and so but I'm going to assume that you understand this information to some extent.

我想强调第二章的内容,因为我告诉过你们,课堂上不会细讲第二章,但我会把它作为阅读材料给你们,你们可能已经有讲述相关内容的书,这些书你们喜欢看,并且已经看过了,我就当你们,在一定程度上理解了这些知识

耶鲁公开课 - 生物医学工程探索课程节选