Hardness penetration
[机] 硬化深度
🧩 词语组成解析
hardness
['hɑrdnɪs]
n. 坚硬;<物>硬性;困难;冷酷;
penetration
[,pɛnɪ'treʃən]
n. 渗透;穿透;[军]突破;洞察力;
🗣️ 情景例句
Anytime. It's really easy, but, like anything,
没问题。实在很容易 但是 和其它东西一样
It is desirable to apply to good schools.
申请好学校是令人向往的。
Well，it depends.
噢，这得看情况。