Hardness limit
[化] 硬度极限
🧩 词语组成解析
hardness
['hɑrdnɪs]
n. 坚硬;<物>硬性;困难;冷酷;
🗣️ 情景例句
I would like to make a suggestion.
我想提个建议。
If I'm not mistake.
如果我没搞错的话。
Later, by about two weeks.
延迟，大概二个星期。