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

单词	derailleur
释义	derailleur noun /dɪˈreɪljə(r)/ /dɪˈreɪlər/ (specialist) jump to other results a type of gear on a bicycle that works by lifting the chain from one gearwheel to another larger or smaller one Word Origin1930s: from French, from dérailler ‘derail’.
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英语词典包含84843条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。