Enzyme separation
[机] 酶分离
🧩 词语组成解析
🗣️ 情景例句
once you get to know them.
一旦认识了周围的人以后。
It is as well to know which way the wind blows.
识时务者为俊杰。
A girl came in and put an envelope on his desk.
一个姑娘走了进来，把一个信封放在了他桌上。