I might not know what key he's in.

我可能不知道他所使用的调号。

耶鲁公开课 - 聆听音乐课程节选

You might have already noticed that I'm using the classes V2 server so the syllabus is there, I'm going to go over the syllabus a little bit later, but the syllabus is available online.

你们可能已经注意到,我使用了班级服务器,所以课程大纲在这儿,虽然我待会儿会把这页内容翻过去,不过课程大纲已经挂在网上了

耶鲁公开课 - 生物医学工程探索课程节选

This particular website has this free nutrient analysis On the website people may choose to get involved in and there may be charges for those things, I don't really know, but there may be and then they may ask you for identifying information, but it's your option to do that.

网站的营养分析服务,在该网站,人们可以选择使用其他服务,当然,那些可能是收费的,我不是很确定,可能有收费服务,并要求验证个人信息,但这由你自己选择

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So I could -- and the hint here is that looks like you probably do want to use CS50's library because I've included the so-called header file for it.

所以我可以--这里的提示看起来好像,你可能的确想使用CS50的函数库,因为我包含了所谓的头文件。

哈佛公开课 - 计算机科学课程节选