Khn
[医][=Knoop hardness number]努普（氏）硬度值
🗣️ 情景例句
Very wise.
非常明智。
I used to start working at 9:00 o'clock every day.
我过去常在9:00点钟开始每天工作。
Before she grew old, Aunt Harriet used to entertain lavishly.
哈丽特姑妈年轻时，喜欢大摆宴席，招待宾客。