I'm going to ask you to indulge me while I go back to the beginning and talk about some things that you know but I'm going to go through this pretty rapidly.

我请求你们容许我,从一些,你们已经懂得的知识讲起,不过我只会很快的串讲一下

耶鲁公开课 - 生物医学工程探索课程节选