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
I could sure use a drink.
我真得来一杯。
Charity begins at home, but should not end there.
仁爱须由近及远。
What did you eat yesterday?
你昨天吃了什么呢？