The number of civil aircraft registered in Hong Kong has increased to 224.

Mortgage of the civil aircraft.

(四)民用航空器抵押权.

An electronic instrument simulation system of civil aircraft is developed.

设计了一套民用飞机座舱电子显示仪表的仿真系统.

Snow machines shoot a mixture of water and compressed air out of nozzles.

造雪机器从喷嘴喷射出水和压缩空气的混合物.

It's time to go home, let the air out of the air bed.

该回家了, 咱们把气垫床的气儿放了吧.

They are trying to joke around, which takes the air out of it.

这时候最好的办法就是开玩笑, 用幽默来赶走恐惧.

My dad will air out the basement today.

我爸今天要给地下室排气.

I air out my shoes every other day.

我每隔一天都会晾晾我的鞋子.

The pump sucks air out through this valve.

这台泵通过这个阀门把空气抽出.

Who let the air out of my tyres?

谁把我轮胎里的气放掉了?

We will air out the house.

我们会去屋外透透气.

We let some air out of the truck's tyres, instead.

相反,我们让空气从卡车轮胎中放出来.

Who let out the air out of my tyres?

谁放了轮胎的气? 放出(气体)(引申)

You've let all the air out of the tyres.

你让车胎的气都跑光了.

I'll have to air out the car. Someone has been smoking in it.

这辆车得通通风, 因为有人在车里抽烟.

She asked me whether I wanted to go by air or by sea.

她问我想乘飞机去还是坐船去.

Maybe you should go by air.

也许你应该乘飞机去.

We go by air, rather than by boat.

我们搭乘的是飞机而不是轮船.

I had better to go by air.

我最好乘飞机去.

Letters with enough stamps can go by air.

信件贴够了邮票就可以寄予航空.

I would rather go by air than by train.

与其坐火车,不如乘飞机.