Hardness test
[机] 硬度试验
🧩 词语组成解析
hardness
['hɑrdnɪs]
n. 坚硬;<物>硬性;困难;冷酷;
🗣️ 情景例句
Weren't they going to be here this morning?
他们不是今天早上要来这儿吗？
I know I'll win.
我一定会赢的。
Recently the New York Animal Medical Center made a study of 132 cats over a period of five months.
最近，纽约动物医疗中心对132只猫进行了为期5个月的综合研究。