当你挥手再见的时候我不知道该是否和你告别，想你已经成为了我思绪的一部分无法割舍，念你已经成为了我情感的一部分无法忘却。

When you waved goodbye to me, I had no idea whether to leave you eternally. Missing you has become indispensable part of my life.

youdao

这事一部分是我的错，一部分是你的错。

It was partly my fault, and partly yours.

youdao

一部分的我很想得到你，一部分的我说我最好离开你。

A part of me says I want you, a part of me says I'm better off without you.

youdao

DNA is a double helix, you know this, the double helix was--the structure of DNA was discovered about the time that I was born you've always lived with it.

NA是双螺旋结构,众所周知,DNA的这种双螺旋结构,是在我出生的那个年代才被发现的,它就是你生命的一部分

耶鲁公开课 - 生物医学工程探索课程节选