Air recirculation
[機] 空氣的循環
?? 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;
[計] 信息再循環\\n[醫] 再循環, 再流轉
??? 情景例句
What is your responsibility there?
你在那主管什么？
Would you please take a message?
請你代我留話好嗎？
The sorry-looking, blackened figure that emerged, admitted at once that he had tried to break into the shop during the night but had got stuck in the chimney.
那個看來滿臉沮喪、渾身漆黑的家伙從煙囪里一出來，就承認頭天夜里他企圖到店里行竅，但讓煙囪卡住了。