Air hardening
[化] 空氣淬火
?? 詞語組成解析
air
[??]
n. 天空;氣氛;空運;（簡單易記的）曲調;
vt.& vi. 晾曬;烘干;播送;廣播;
vt. 使房間通風， 透氣;
n. 硬化, 淬火\\n[計] 硬化, 固化, 淬火
??? 情景例句
I've got to keep my nose to the grindstone to support my family.
我拼命工作養家。
Who assumes shipment cost?
誰負擔運費呢？
I'm not going to put up with this!
我再也受不了啦！