I'd like to introduce a representative from "Teach for America" which is an organization that has done and is doing a lot of good, promoting goodness in the world and I'd like to-- in 1504, we've been supporting them for the last 2 years and we'd like to continue to do that.

我想介绍一位来自“为美国而教“的代表“,这个组织一直致力于做好事，在世界上宣扬善，我想…,这门课，过去两年一直向他们提供支持,我们希望继续下去。

哈佛公开课 - 幸福课课程节选

MHC1 is a word, MHC stands for major histocompatibility complex and it's one of the things that distinguishes my cells from your cells, from your parents cells, from your roommates cells.

HC1这个词,MHC代表主要组织相容性复合体,通过它可以区分你和我的细胞,也可以区分你和你父母,及你室友的细胞

耶鲁公开课 - 生物医学工程探索课程节选