Air recirculation
[机] 空气的循环
🧩 词语组成解析
air
[ɛə]
n. 天空;气氛;空运;（简单易记的）曲调;
vt.& vi. 晾晒;烘干;播送;广播;
vt. 使房间通风， 透气;
[计] 信息再循环\\n[医] 再循环, 再流转
🗣️ 情景例句
I didn't have that when Richard and Susan were born.
在Richard和Susan出生时我可没有人帮忙。
Don't forget to phone to let us know you arrived safely.
不要忘记打电话，告诉我们你已经安全抵达。
who has beenworking or worrying about serious things for six days,
为严肃的公务操劳或烦恼了6天的