汽车发动机是一种内燃机，因为燃油(汽车)是在发动机内燃烧的。

The automobile engine is an internal-combustion engine because the fuel (gasoline) is burned inside it.

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汽车发动机是一种内燃机，因为燃油(汽车)是在发动机内燃烧的。

The automobile engine is an internal-combustion engine because the fuel (gasoline) is burned inside it.

youdao