Air transportation
[經] 航空運輸, 空運
?? 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
Good afternoon. What's the trouble?
下午好。有什么不舒服嗎？
Car manufacturers must be very uneasy now.
現在汽車制造廠商們無疑都非常不安。
After he had put it on the floor, he promptly went to sleep again.
他把床墊往地板上一放，很快又睡著了。