名词
中文翻译：踏板车
同义词：
['bicycle', 'cycle', 'pedal-powered vehicle']
例句：
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1. He rode his bicycle to the park every morning.
他每天早上骑自行车去公园。
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2. This cycle is designed for children and has a lightweight frame.
这个自行车是为儿童设计的，框架轻便。
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3. The pedal-powered vehicle was invented to help people with mobility issues.
这种脚踏车是为了帮助行动不便的人而发明的。