Age(ing) hardening
[化] 時效硬化
?? 詞語組成解析
n. 硬化, 淬火\\n[計] 硬化, 固化, 淬火
??? 情景例句
I'm supposed to be worried about my daughter,
我原該為我的女兒擔心才是。
Come and see me when you have time.
有空時請過來。
The cultivation of a hobby and new forms of interest is therefore a policy of the first importance to a public man.
因此，對一個從事社會活動的人來說，培養一種業余愛好和各種新的興趣是頭等重要的作法。