Hardness ageing
[化] 硬度时效; 冷作时效; 机械时效
🧩 词语组成解析
hardness
['hɑrdnɪs]
n. 坚硬;<物>硬性;困难;冷酷;
ageing
[['eidʒiŋ]]
n. 变老, 成熟\\n[化] 老化; 陈化; 老成; 熟化; 时效
🗣️ 情景例句
the music, the concerts.
音乐，音乐会。
Yes, I guess that would be all right.
行，我想没问题。
John seldom gets together with his friends.
约翰很少与朋友聚在一起。