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
Hmmm. It is wrong.
嗯嗯。是不对劲。
Don't get me wrong.
别误会我。
It's dangerous!
危险！