Khn
[医][=Knoop hardness number]努普（氏）硬度值
🗣️ 情景例句
As far as English is concerned, he is second to none.
就英语来说，没有人能够比得上他。
Took you long enough!
你现在才来！
It's Zhong Qiu Jie.
明天是中秋节。