Khn
[医][=Knoop hardness number]努普（氏）硬度值
🗣️ 情景例句
There's nobody here!
这里一个人都没有
Let's give him a big hand.
让我们热烈鼓掌。
Byrd at once ordered his men to throw out two heavy food sacks.
伯德马上命令他的助手们把两个沉重的食物袋扔掉，