More air allows more fuel to be added, creating bonus horsepower without requiring a bigger engine and more cylinders.

更多空气进入允许更多燃料参与燃烧，进而在无需更大发动机和汽缸情况下输出强大马力。

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Then he said, “It was a five-horsepower, air-cooled Eska outboard motor.”

他接着说：“那是一台伊士佳牌五个马力的空气冷却外挂式发动机。”

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Powered by a 175 horsepower engine and incredibly light, it can leap 10ft into the air.

由于这艘船安装了175马力的发动机以及船体重量很轻，因此它可以轻易的窜离水面达10英尺高。

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