Khn
[医][=Knoop hardness number]努普（氏）硬度值
🗣️ 情景例句
Radiation exposure can damage your genes and make them vulnerable to mutation.
辐射会破坏你的基因组织，使它们突变。
I want to make a local call.
我要打个市内电话。
Hi, Jim. What's the time?
喂，吉姆， 几点了？