Liquidensitometer
液体密度计
🗣️ 情景例句
As you please. I'm ready.
请便。我准备好了。
He that hath no children,knows not what is love.
没有孩子的人，不知道什么叫做爱。
In spite of the heavy rain, she went to the shop.
尽管下着大雨，她还是去了商店。