through the air和in th air的区别

through the air和in th air的区别 fly through the air fall through the air (with air /in air /by air ./through air) in the air 和on the air的区别是什么? move your hand through the air F_____meansmove through the air A rock flew through the air airplanes enable people to travel through the air...through是什么意思 in the sky 和 in the air的区别 in the open air stick in the air in the air是什么意思 in the air on the air on the air和in the air的区别和用法 有没有in an open air,它 和in the open air有什么区别? 几个英语单词的区别...关于AIRwith air in air by air through air她们的区别和各自的意思是?谢谢了．还有．for a short time in a hurry 的意思． 英语翻译as shown at drawing in behind it a charge of fresh air through the inlet valve