英语词汇“optional course”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	optional course
释义	optional course freq. 3 dict. 2 un.选修课 [网络]选修课程；公共选修课；公选
随便看	demand theory demand time-sharing processing demand tributes from demand-type mask demand type respirator demand usage time demand valve demand variable demand vengeance on demand ventilator demand viscous water tanker-mixer demand-withdraw cycle demand with menaces demand working demand writing demand zero page demane demanganization demanganizations demanganize demanganizing demange Demange-aux-Eaux demangenization demangeon

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