Yen worked on the course last year and she's the senior of the teaching fellows that are working on the course this year.

叶从去年开始就为这门课工作,她是今年这门课程的助教中,较为资深的一名

耶鲁公开课 - 生物医学工程探索课程节选

Yen Cu is back there, Yen raise your hand higher so everyone can see.

楚叶坐在后面,叶把你的手举高一点,让所有的人都能看到你

耶鲁公开课 - 生物医学工程探索课程节选

I should mention that Yen is a PhD student in Biomedical Engineering and Serge is an M. D. /PhD student who's getting his PhD in Biomedical Engineering.

我要说的是,叶是生物医学工程的博士生,斯吉是医学和生物医学工程的双学位博士,他博士的研究方向是生物医学工程

耶鲁公开课 - 生物医学工程探索课程节选