How do birds fly?

鸟儿怎么飞翔？

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How do planes fly?

飞机怎么飞起来？

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We'd like advice on how to fly as cheaply as possible.

我们希望获得有关如何尽可能便宜地飞行的建议。

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I don't know if you know how a spark plug works, but for the electrical current to fly into operation in a spark plug, the two points of contact have to be gapped.

我不知道你们是否知道,火花塞是怎样工作的，在电流通入火花塞中使它运转之前，两个接触点之间需要有空隙。

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You don't see just how fly my style is?

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Sgt Holmes, whose nickname was Arty, continued to fly throughout the war, becoming an instructor teaching Russians how to fly Hurricanes.

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Then I went to flying school in Mumbai and London to learn how to fly it.

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