But the 28-year-old does not rely on his own pedal power - like hundreds of thousands of others, he has bought an electric bike.

可是这位28岁的青年并不用脚蹬——如同成千累万的其他人一样，他买了一辆电动脚踏车。

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Well, that is exactly the reason why we have found a wonderful new way to convert your existing bike in to one powered by electric power.

那么，这正是原因，我们发现了一个奇妙的新途径转换为您现有的自行车在一个供电的电力。

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At present, the electric bike use mainly the sealed lead-acid batteries as its power sources.

现阶段电动自行车大多使用密封铅蓄电池作为动力源。

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The first patent for strapping an electric motor onto a bike was filed with the US Patent office in 1890 but, lacking sufficient battery power, these early bikes had a very limited range.

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