He detested air travel.

他厌恶空中旅行。

《柯林斯英汉双解大词典》

You don't have to pay high prices for air travel anymore.

你不必再为航空旅行支付高昂的费用了。

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The immensity of the United States makes air travel common place.

因为美国幅员辽阔，乘飞机旅行很常见。

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The Department of Agriculture, for example, provides biologists to help study wildlife that could be a danger to air travel.

VOA: special.2009.04.01

Somehow, if you could manufacture a really smooth frictionless surface, that if you took a hockey puck or something and an air cushion and you give it a push, in some idealized world, it'll travel forever.

如果你制造一个绝对光滑无摩擦的表面,然后在上面放个冰球或者别的什么,或者气垫,然后推它一下,在理想条件下,它会永远运动下去

耶鲁公开课 - 基础物理课程节选

Another reason for the increase in bird strikes is the growing popularity of air travel in the United States.

VOA: special.2009.04.01

According to the FAA, the system will make air travel faster, safer and cheaper.

BBC: The futurist: The US�� new air traffic control system

Cambodia Airlines is only the latest sign of bullishness in Southeast Asian air travel.

FORBES: Cambodia Tycoon To Launch New Airline With Philippine Flag Carrier

Beyond any impact on fish, wildlife and humans, large ash clouds could negatively impact air travel.

CNN: 2 Alaska volcanoes on alert as lava flows