Elastic hardness
[机] 弹性硬度
🧩 词语组成解析
hardness
['hɑrdnɪs]
n. 坚硬;<物>硬性;困难;冷酷;
🗣️ 情景例句
Oh, how do you do?
噢 你好吗?
He is unworthy to live who lives only for himself.
为己而生，生而可耻。
Why was that?
为什么呢？