Pycnometer
n. 比重计\\n[化] 比重瓶
🏥 医学释义
①比重瓶，比重计 ②比色计
🗣️ 情景例句
Don't worry about it.
别放在心上。
I'll go to a concert.
我要去听音乐会。
Last week I went to the theatre.
上星期我去看戏。