其中的的用法和样例：
例句
-
不住院的医生与一机构联合但不正式住在其中的人，尤指医院职员中不住院的内科医生
A person associated with but not officially residing in an institution, especially a nonresident physician on a hospital staff. -
使她感到可厌的不是那讲演本身，而是其中的陈词滥调。
It was not the lecture itself but the cliches in it that palled on her mind. -
玛丽每听过一次音乐会，回到家里都能在钢琴上随意弹出其中的每一首曲子。
Mary can come home from any musical show and strum every tune on the piano.
