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
You'd better not make Harry any more nervous than he is.
你最好别让Harry更加紧张了。
I wonder if it's a real diamond.
它可是地道的钻石呀。
But the chances are against it,
但这种可能性很小。