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
Good. How much is the fare?
好。车费多少？
I've studied the reports of past meetings.
我学习了以往的会议记录。
Visitors have been asked to keep the woods clean and tidy.
游客已被告知要保持树林的整洁。