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
I love you!
我爱你！
Do you have any friends?
你有朋友吗？
He found it very difficult to get to sleep and he was rather angry with the man upstairs.
他觉得这样很难入睡， 他对楼上的人相当生气。