Micropicnometer
[化] 微量比重瓶
🗣️ 情景例句
And tomorrow morning we'll all meet here to discuss the plan?
是不是明天早晨我们都聚到这里来讨论整修计划
In college I majored in physics, What was you major?
大学时我主修物理，你主修什么呢？
Yes, it is.
是的。