Elatrometer
[化] 气体密度计
🗣️ 情景例句
Tom, would you give Mr. Johnson Tom
拿给Johnson先生
Would you hold the line, please, I will find out his number for you.
请你不要挂断，我替你找他的号码。
He neither smokes nor drinks.
他既不抽烟也不喝酒。