Hardness number
[医] 硬度数
🧩 词语组成解析
hardness
['hɑrdnɪs]
n. 坚硬;<物>硬性;困难;冷酷;
🗣️ 情景例句
Oh, I was sorry
噢 ，我很难过
To film a movie
拍摄电影
It's a pleasure working with you.
与您合作很愉快。