Pyknometer
[医] 比重瓶
🏥 医学释义
①比重瓶 ②比重计
🗣️ 情景例句
Oh, fine, fine. Be here a few minutes early.
啊， 好， 好。请早几分钟到这。
An ox is taken by the horns, and the man by the tongue.
牛因有脚而被抓，人因有舌而遭殃。
After a short while he started directing films himself.
不久，他开始自己导演电影。