Pmcd
[医][=preventive medicine detachment]预防医学分队
🗣️ 情景例句
My new shoes hurt my feet ...
我的新鞋弄痛了我的脚……
Would you please open the door for me?
请你帮忙开个门好吗？
It is only in the study of man himself that the major social sciences have substituted the study of one local variation, that of Western civilization.
只是在对人类自身的研究中，各主要的社会学科才用对一个局部地区各种情况的研究（如对西方文明的研究）来代替对全人类的研究。