Sanitary chemistry
[医] 卫生化学
🧩 词语组成解析
chemistry
['kɛmɪstri]
n. 化学;物质的化学组成（或性质），化学作用（现象）;（常指有强烈性吸引力的）两人间的关系;〈比喻〉神秘的变化（过程）;
chemist药剂师+ry...业 →化学
🗣️ 情景例句
I would like to send this by registered mail, please.
我想把这封信挂号寄出。
He didn't weep as he walked from the grave.
他从墓地走回来，并没有伤心流泪。
We chose a big one. It is almost as tall as the room.
我们选了一棵大的。它几乎和房间一样高。