Airplanes enable people to travel through the air.

飞机使人们能够在空中旅行.

辞典例句

Just how fast does sound travel through the air?

声音在空气中的传播速度究竟有多快?

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That is how modern flying squirrels travel through the air.

就像现代鼯鼠在空中那样飞行.

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Other animalsmanage to travel through the air by gliding from great heights, or leaping the depths.

其他有些动物可以靠从高处向下滑翔或者从低处向上跳跃来在空中“飞行”.

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