Knoop hardness number
[医] 努普氏硬度数
🧩 词语组成解析
努普显微压痕硬度试验仪
hardness
['hɑrdnɪs]
n. 坚硬;<物>硬性;困难;冷酷;
🗣️ 情景例句
It's a Stewart tradition. We're a family.
这是Stewart家的传统。我们是一家人。
I asked him to leave immediately, but he wouldn't.
我请他马上离开，但是他不肯。
What colour are you going to paint it?
你打算把它漆成什么颜色？