Micropopulation
微生物群
🗣️ 情景例句
I'm unemployed right now, but I'm looking for a job.
我现在失业了， 但我正在找工作。
My brother is a member of the faculty.He teaches economics.
我的兄弟是全体教员中的一员，他是教经济学的。
The bison skins were sent by rail to cities to be sold.
野牛皮用火车运到城里出售。