Khn
[医][=Knoop hardness number]努普（氏）硬度值
🗣️ 情景例句
That is exactly what I wanted to talk to you about, Susan.
这正是我想要跟你谈的， Susan。
Don't mention it. I hope you can come again soon.
不用谢，希望你不久能再来。
On the left.
站在左边。