No reason to get worried like that, just contact your chairperson immediately.
不需要这么担心，只要马上联系你的系主任就好了。
My chairperson told me that if I did independent field research in addition to the assigned work in each course; they would count as intermediate-level courses.
It is amazing how a woman who may have an interest in being a leader nevertheless automatically becomes a chairperson because of the official position of her husband.
令人惊奇的是，一个可能有兴趣成为领导人的女人，却因为她丈夫的正式地位而自动成为主席。
Faden chairperson of the federal advisory committee of experts they assigned to do a report on the history and ethics of the government's radiation experiments on humans in the 1950's and 1960's.
