I got the feeling, when I was talking to some of you guys, that maybe you should brush up on your calculus.

当我和你们中某些人聊天时,我感觉到,你们应该好好复习微积分

耶鲁公开课 - 基础物理课程节选

I got the feeling, when I was talking to some of you guys, that maybe you should brush up on your calculus.

当我和你们中某些人聊天时,我感觉到,你们应该好好复习微积分

耶鲁公开课 - 基础物理课程节选