The helicopter crash landed when one of its two engines cut out.

直升飞机两个发动机中的一个突然熄火时，直升机撞地着陆。

《柯林斯英汉双解大词典》

If one or even two engines failed, the plane could still fly.

如果一个或两个发动机熄火了，飞机可以继续飞行。

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If one or even two engines failed, the plane could still fly.

如果一个或两个发动机熄火了，飞机可以继续飞行。

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