Vicker's hardness
[机] 韦克氏硬度
🧩 词语组成解析
hardness
['hɑrdnɪs]
n. 坚硬;<物>硬性;困难;冷酷;
🗣️ 情景例句
It's about the size of the United States, but it has a population of only 16.5 million.
它和美国一般大，但人口却只有一千六百五十万。
The more noble the more humble.
越高贵，越应谦逊。
At the age of eight, he joined a group of child dancers.
8岁时参加了儿童舞蹈团。