Micropycnometer
微型比重瓶
🗣️ 情景例句
I would like to check-out now.
我现在就想结账离开。
My boyfriend is against me going too.
我的男朋友也反对我去。
It is bacteria that have generated the oxygen we breathe on earth.
正是细菌生产出我们在地球上呼吸的氧气。