名词
中文翻译：脚踏发动机
同义词：
['foot propeller', 'foot motor例句：1. The foot engine is a compact and efficient way to power small machines.（脚踏发动机是一种紧凑且高效的小型机器动力方式。）']
例句：
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1. The foot engine is a compact and efficient way to power small machines.
脚踏发动机是一种紧凑且高效的小型机器动力方式。
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2.The foot engine was used for centuries as a means of transportation.
脚踏发动机被使用了几个世纪作为交通工具。
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3. The foot engine has been replaced by more modern electric or gasoline-powered engines.
脚踏发动机已经被更现代的电动或汽油发动机所取代。