Oh, great. So, that is her daughter, Sam that you see strapped to the chest, and Dr. Patti Christie helping us out here.

首先，我们要有单层的金原子，看看Drennen教授，能不能帮我们一下。

麻省理工公开课 - 化学原理课程节选

and then I worked in an auction house; "Christie's", for a year before applying to come back to graduate school.

在我申请研究生院之前我还在佳士得拍卖行工作了一年。

图书馆经常人很多 - SpeakingMax英语口语达人

Sam All right. So, we'll move this up to the front in just a minute, but I'm going to explain how this experiment works and we'll do the calculation first before the excitement breaks out.

好的，这是她的女儿,被背带背她在胸前，这是Patti，Christie博士，好的，我们等会,会把它移到前面,但我要先解释下。

麻省理工公开课 - 化学原理课程节选