Looking back,she adds, "I know 50 years is a long time, but when you're doing something you really love, you don't think about the years."

VOA: standard.2009.12.25

Chapters 2 and 4 are really reviews of things that you probably already know something about, so they're reviews of basic chemistry.

第二章和第四章是对,一些你可能已经知道的,基础化学,蛋白质及生物化学知识的复习

耶鲁公开课 - 生物医学工程探索课程节选

You know, if they're really engaging in, in some communication, you know, meeting some minds or something,

如果他们真的参与到一些交流中，
见到一些有思想的人或事情，

关于网络世界 - SpeakingMax英语口语达人

So, that's the difference in thinking about different types of ionization energy, so it can get a little bit confusing with terminology if you're just looking at something quickly, so make sure you look really carefully about what we're discussing here.

所以，这就是我们,在思考不同类型的电离能时所看到的不同，因此如果你看得不够仔细的话,你可能会被其中的术语弄迷糊了，所以一定要看仔细,我们讨论的是什么。

麻省理工公开课 - 化学原理课程节选

In this blank area over here next to the search tab you can type in any food that you're having, and then the program, unless it's something really unusual, the program will recognize it and then give you a series of options of things it thinks it might be.

你可以在搜索框的空白处,输入你吃的食物,之后程序会,除非是些稀奇古怪的东西,否则程序会去识别输入的内容,并给你一系列它认为可能的选项

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选