Ppt.
[医] 沉淀[物], 制备的, 精制的
🗣️ 情景例句
You can take this job and shove it.
你把这份工作留着你自己干吧。
Mike is already a junior.
迈克已经大学三年级了。
I joined in the march and we were marching peacefully along and then the police came up.
我参加了游行，我们以和平的方式往前行进，这时警察突然来了。