Areopyknometer
[机] 比重瓶比重计
🗣️ 情景例句
Sir, everything now is offered with a great discount.
先生，所有的东西都在打很大的折扣。
When the heart is full,, the tongue will speak.
胸有成竹，口若悬河。
Do they go to school in China?
他们在中国上学？