Micropycnometer
微型比重瓶
🗣️ 情景例句
from the first time you stayed with us.
自从你们第一次在我们这里住开始
Bad workmen often blame their tools.
拙匠常怪工具差。
One of links in the chain that drives the wheels had snapped.
驱动轮子的链条断了一节。