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名词
1. (通常指儿童骑的)三轮脚踏车A tricycle is a cycle with three wheels, two at the back and one at the front. Tricycles are usually ridden by children.
1. a vehicle with three wheels that is moved by foot pedals
Synonym: trikevelocipede
多通过句子记忆单词,而不是单独死记硬背。