This is like being in a race with a race car against a bicycle where you are not allowed to start the engine.

这就好比是在一场用赛车对抗自行车的比赛中，却不允许您发动引擎一样。

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To set the vehicle in motion, the driver climbs aboard, takes hold of the steering bar and connects the engine to the bicycle.

要开动这台机器，司机得坐上座椅，操纵把手，使发动机驱动自行车。

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William S. Harley, completes a blueprint drawing of an engine designed to fit into a bicycle frame.

威廉·s·哈雷绘制完成了适合自行车结构的发动机的设计图纸。

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Above the factory floor, the semicircular gallery of the museum showcases the evolution of the Ducati motorcycle from the early days just after World War II, when the company introduced its first auxiliary bicycle engine (called the Cucciolo, or "puppy, " because of the distinctive barking sound it made), up through the company's first motorcycles in the 1950s and the road bikes and racing bikes that followed.

WSJ: At the Heart of Ducati

Honda saw an opportunity and designed a small engine that could be used on a bicycle.

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