I shall travel to New York by air this weekend.

这个周末我将要乘飞机去纽约旅行。

The great virtue of air travel is speed.

乘飞机旅行的最大优点是速度快。

Casualties had to be brought to hospital by air.

伤者不得不用飞机送往医院。

The pilot was given clearance to land by air traffic control.

飞行员得到空中交通管制站发出的着陆许可。

to send goods by air freight

空运货物

The transportation of goods by air costs a lot.

航空运输货物花费很高.

He decided to make a journey to New York by air.

他决定乘飞机去纽约.

I shall send the letter by air.

我要用航空寄这封信.

Will you travel by sea or by air?

你们乘船去,还是乘飞机去?

You'd better go by air, it's very quick.

最好是乘飞机, 那样十分快.

Are you going by boat or by air?

你是搭船去还是乘飞机去?

A dozen crates were shipped off by air freight last week.

十二篓上星期已空运走了.

You can freight your belongings by air or sea.

你可把东西经空运或海运运去.

Bacteria are carried long distances by air and water currents.

气流和水流可将细菌带得很远.

Ten crates were shipped off by air freight last week.

上周有十篓货空运去了.

The goods will be transported to Tokyo by air.

货物将空运到东京.

Send the parcel by air mail, please.

请用航空邮件寄包裹.

International Trade-Shipping-(国际贸易-运输)

A：Hello, I’m calling from San Francisco for Kevin Lee.
哈啰，我从旧金山打来找李凯文。

B：This is Kevin Lee speaking.
我是李凯文。

A：Hi. This is Helen Parker calling.
嗨。我是海伦.派克。

B：Good morning, Helen. What can I do for you?
早安， 海伦。有什么我能效劳的吗？

A：I'm calling to find out how you would like your order of speakers,byair orby sea?
我想请教你要如何运送你下单的扬声器，空运还是海运?

B：We need part of that orderby next week, so we would like to do a partialair shipment.
我们下个星期就要一部分的订货，所以我们有部份想用空运。

A：How much of it do you want shippedbyair?
您想要空运多少数量呢?

B：We'd like to ship half the orderbyair and the restby sea.
一半用空运，剩下的一半用海运。

A：OK. Do you want us to use our freight forwarding agent?
好的。你要用我们公司的货运代理商吗?

B：Actually, we've got a freight forwarder over there-China Consolidated. I'll fax you their contact information.
事实上，我们这边自己有货运公司--中国联合公司。我会把他们的联络资料传真给你。

by air的近义词

A：All right. We can deliver that half to your agent tomorrow morning.
好的。我们明早可以出一半的货给你们的代理商。

B：That would be great.
那样很好。

A：I'm not sure what the shipping schedule will be for the sea freight.
我不确定海运的时间表。

B：No hurry. We're not in a big rush for the second half of the order.
不急。另一半的订单我们不是很急。

A：All right. I'll let you know the shipping details later and I'll send you the shipping documentsby DHL as soon as I get them.
好的。我稍后再通知你送货细节，我一拿到出货文件就马上用DHL 快递给你。

by air的解释

B：Very good. We'll be expecting to hear from you. And thanks for calling.
很好。我们等你的消息。谢谢你的来电。