Content to breathe his native air In his own ground.
出自: PopeHis goods are spoiled by foul air and gas fumes.
出自: F. NightingaleAll I want is a room somewhere, Far away from the cold night air.
出自: A. J. LernerTo keep the room aired and swept.
出自: M. EdgeworthWe can now travel by air.
句中的by若改成through,则该加the。
Many birds are flying in the air.
I am going out for a walk in the open air.
She is on/over the air.
她正在广播。