Khn
[医][=Knoop hardness number]努普（氏）硬度值
🗣️ 情景例句
A good marriage takes work and shouldn't be based on feelings alone.
一段好的婚姻要用心去经营，而不是仅仅建立在感情的基础上。
How do you like Texas so far?
这些天来，你觉得得萨斯州怎么样？
It is the ideal condition of the 'equal start' which only our most progressive forms of modern education try to regain.
这就是我们最进步的现代教育试图恢复的“平等起步”的理想状况。