事实上还有另外一种混合动力引擎：火箭引擎。

There's actually another kind of hybrid: rocket engines.

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当你听到“混合动力引擎”的时候，你应该会想到一辆汽车是吧？

When you hear "hybrid engine" you probably think of an automobile, right?

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像韩国同胞现代汽车一样，起亚也开始高调进军混合动力市场，并推出了第一款混合动力引擎。

Like its South Korean cousin Hyundai, Kia is jumping into the hybrid market with its first alternative power train.

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