A hovercraft rides on a cushion of air.

气垫船悬浮在气垫上行驶。

《牛津词典》

The device floats on a cushion of air.

那个装置漂浮在气垫上。

youdao

A hover craft rides on a cushion of air.

气垫船悬浮在气垫上行驶。

youdao

"It gives me the feeling that I'm floating up on a cushion of air, " she tells me.

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In this update of the Flying Saucers concept, giant tires float on a cushion of air supplied by a bunch of small air jets.

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This machine is a collision sensor, which knew in a split second to activate your automobile air bag and cushion the impact of your collision with the inside of the car.

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