英语词汇“optional”的读音、翻译、释义、用法及例句-留学网

词汇	optional
释义	op·tion·al /`ɑpʃənḷ; ˈɒpʃənəl/ adj if something is optional, you can choose to have it or do it, but do not have to 可选择的，非强制的: The sunroof is optional. 车顶天窗是可供选择的额外配置。
随便看	uncrippled uncriticizably uncrooked uncrookedly uncrossable uncross-examined uncrucified uncrudded uncrude uncrudely uncrudeness uncrudenesses uncruder uncrudest uncruel uncrueler uncruelest uncruelly uncruelness uncruelnesses uncrumbled uncrushed uncrying uncrystaled uncrystalled

留学网英语在线翻译词典收录了135568条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。