英语词汇“optional”的读音、翻译、释义、用法及例句-范文大全网

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词汇	optional
释义	optionalop·tion·al AW /ˈɑpʃənl / adjective that you can choose or not choose可选择的◆an optional subject at school学校的选修科目◆an optional extra (= something that you can have as an extra thing but must pay for) 收费的可选件 OPP mandatory
随便看	mist mistake mistaken mistaken mistakenly mistakenly mistakes mistaking misted mister misters mistier mistiest misting mistletoe mistook mistook mistreat mistreated mistreating mistreatment mistreatment mistreats mistress mistresses 谜语：五岳归来不看山（打一成语）谜语：五指（打一成语）谜语：五指尚存前三指（打一成语）谜语：午安（打一成语）谜语：午休（打一成语）谜语：武大（打一成语）谜语：武大郎设宴（打一成语）谜语：武当山（打一成语）谜语：武二开店（打一成语）谜语：武二无愧于心（打一成语）谜语：武官（打一成语）谜语：武侯慧眼，翼德神勇（打一成语）谜语：武后成仙（打一成语）谜语：闲敲棋子落灯花（打一成语）谜语：闲时出差（打一成语）谜语：闲田（打一成语）谜语：闲置房间作仓库（打一成语）谜语：闲中出错（打一成语）谜语：弦高犒师（打一成语）谜语：咸阳人（打一成语）谜语：嫌人啰嗦（打一成语）谜语：显示（打一成语）谜语：县考无名，府考无名，道考也无名（打一成语）谜语：现代剧（打一成语）谜语：现在还是分开好（打一成语）

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