英语词汇“derailleur”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	derailleur
释义	derailleurderailleur /dɪˈreɪlɚ/ noun [countable] the piece of equipment on a bicycle that moves the chain from one gear to another
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