Ppt.
[医] 沉淀[物], 制备的, 精制的
🗣️ 情景例句
Well, if I run for office,
嗯 ，假如我出来竞选公职，
He has that book, doesn't he?
他有那本书，是吗？
The mondey took the tiger to a big river.
猴子领着老虎来到一条大河边。