英语词汇“optional extra”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	optional extra
释义	optional extra noun A non-essential additional item which is available for purchase.This was supplied with new kits and made available as an optional extra for existing aircraft.... But for the cars that seem to have everything, there are some optional extras available. There are also a few optional extras available including seat warmers and a keyless entry system.
随便看	cheiro- Cheka Chekhov, Anton Chekhovian Chekiang chela chelate chelation chelation therapy chelator chelicer chelicera cheliceral Chelicerata chelicerate chelicere Chellean Chelmsford Chelonia chelonian Chelsea Chelsea boot Chelsea bun Chelsea pensioner Chelsea tractor

英语词典包含243303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。