Khn
[医][=Knoop hardness number]努普（氏）硬度值
🗣️ 情景例句
Hey, do you work out?
嘿，你锻炼吗？
I often go out in the morning.
我常常在早上出门。
It's only a party in honor of my birthday.
这只是为了庆祝我的生日而举行的晚会。