Air defense
n. 防空; 空防
?? 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;
??? 情景例句
Without my glasses, I'm as blind as a bat.
沒有眼鏡， 我就像個蝙蝠一樣瞎。
I'll work for 5 years and then go back to school.
我會工作五年，然后會學校。
Now the snag in this sort of anecdote is of course that one cannot distinguish cause and effect.
這類奇聞的疑難之處是無法區別因果關系。