I had to dismantle the engine in order to repair it.

我得把发动机拆开来修理。

《牛津词典》

I kept the engine running because it might be necessary to leave fast.

我让发动机一直开着，因为可能需要快速离开。

《柯林斯英汉双解大词典》

I panicked when I saw smoke coming out of the engine.

我看见发动机冒烟时，吓得手足无措。

《牛津词典》

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