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。
He invented something special that was pushed along by air.
他发明了一种很特别的东西，它可以由空气推动。
Superb systems of communication by air, sea and land make it possible for us to visit each other's countries at a moderate cost.
有了一流的空中、海上和陆地交通系统，我们就能够以低廉的费用访问彼此的国家。
The aircraft belonged to Ecuador Airline, but it had been chartered by Air France for the route from Bogota to the Ecuadorian capital Quito.
该飞机属于厄瓜多尔航空公司，但由法航租用，用于从波哥大飞往厄瓜多尔首都基多的航线。
Nowadays, with the development of China's economy and the improvement of people's living standards, more and more Chinese people, including many farmers and migrant workers, can travel by air.
如今，随着经济的发展和生活水平的提高，越来越多的中国人包括许多农民和外出务工人员都能乘飞机出行。
One thousand kilometers was quite a long way to the ancient, but now we can complete the journey in about one hour by air.
1000公里在古代是相当长的一段路，但现在我们坐一个小时左右内的飞机就能完成这样一段旅程。
I came by air and it was tiring.
我坐飞机来的，那真累啊。
他坐飞机到达了。
These new findings should help airplane passengers to feel less vulnerable to catching respiratory infections while traveling by air.
这些新发现应该有助于乘客在乘坐飞机旅行时不那么容易感染上呼吸道病毒。
Transporting fruits and vegetables by air enables consumers to enjoy a wider variety of fresh farm products that are in season from all over the world.
空运果蔬可以让消费者享受更多的来自世界各地的新鲜的当季农产品。
He was the first man to navigate the Atlantic by air.
他是第一个飞越大西洋的人。
B也许你应该乘飞机去。
Miss Lucy came to China by air.
露西小姐是乘飞机来中国的。
We sent the letter by air mail.
我们通过空邮寄信。
I'm going by air. I like flying.
我坐飞机去。我喜欢坐飞机。
Will you go there by train or by air?
你们将坐火车去还是乘飞机去？
你喜欢坐飞机旅行吗？
He went to Shanghai by air last night.
他昨天晚上乘飞机去了上海。
We can annoy the enemy by air raids.
我们可以用空袭骚扰敌人。
乘船还是乘飞机？
MARTIN: Will you travel by sea or by air?
马丁：你们乘船去，还是乘飞机去？
Not all the material we use goes by air.
我们所使用东西并不是全都通过飞机运输。
The only way in or out is by air or boat.
仅有的出入方式是飞机和轮船。
Please have the goods transported by air.
请空运此批货。
It is not possible to do everything by air.
一切都通过航空进行是不可能的。
B: in five working days, if we ship by air.
B：如果空运的话，五个工作天内可以到。
You're surrounded by air, yet you can't fly!
你被空气包围着，可你也不会飞啊！
Some substances resist corrosion by air or water.
有些物质可以抗空气或水的腐蚀。
But oxygen canisters cannot be transported by air.
但是，氧气筒不能空运。
I used to travel a great deal by air as a bachelor.
当我还是单身的时候我总是坐飞机到处旅游。
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