Sclerometer
n. 硬度计\\n[医] 硬度计
🗣️ 情景例句
How long will this be on sale?
这种商品减价时间有多久？
You must go to the moon. It's your duty.
你必须上月球去，这是你的职责。
It may also be said that rational, industrious,useful.
也可以这样说，理智的、勤劳的、有用的。