英语单词“optional”的翻译、意思、用法、释义-英汉词典-职场范文网

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单词	optional
释义	optional['ɔpʃənəl]adj.1.■可选择的，任选的，随意的，非强制的
随便看	secondary sodium phosphate secondary spectrum secondary split secondary splits secondary standard secondary station secondary storage secondary stratification secondary stress secondary structure secondary succession secondary surveillance radar secondary suture secondary syphilis secondary target secondary tillage, secondary till secondary tissue secondary tympanic membrane secondary union secondary virginity secondary voltage secondary wall secondary wave secondary weapon secondary wife 荒榛蔓草旧州城，故迹依稀似易京青黄惟此赖，迩日风转大已觉精神聚会终朝对尊酒，嗜兴非嗜甘既无瑰异姿，了不殊众形求如华山是难得，使人消得一生闲欲遂浮家计，江干有钓纶惜取风骚等闲句，他时密膝咏臣邻三佐戎旃换朱绂，一辞兰省见清秋夕影遍曾城摩诃池宴暮秋次韵同院晚春·其二晚行仲春朔日躬祭社稷坛园中锦被花始开一枝红白二色赵守以二诗见报栴檀林桂六首·其四龛山凯歌五首赠蔡俊民挟雷法妆眼科北行书不释手玄卿大帝汗流浃肤遵脩火石飞放飞刍飞跑飞撚璨瑳窩腛瞃斡蝸踒瓁濣龌臒溕覛詸搣滅敯暋瑉痻碈朱脣粉面三婆两嫂敦敦实实風風傻傻坐收其利坐山看虎斗坐拥书城坐帐无鹤坐井窥天坐视成败便当好报到场桑落瓦解上山作贼唱高调华翰俊敏珠还合浦货仓提督操江严侣罗举妻张氏乱七八遭亚西司游廌山集尚食局典御尚镕尚间崖尚书讲义跷开头的成语_第一字是跷的成语有哪些烫组词_烫字怎么组词_烫组词有哪些_带烫字的词语惨组词_惨字怎么组词_惨组词有哪些_带惨字的词语纱的成语_带纱字的成语_纱的成语有哪些麻组词_麻字怎么组词_麻组词有哪些_带麻字的词语洮组词_洮字怎么组词_洮组词有哪些_带洮字的词语熊的成语_带熊字的成语_熊的成语有哪些寝的成语_带寝字的成语_寝的成语有哪些听的成语_带听字的成语_听的成语有哪些桅组词_桅字怎么组词_桅组词有哪些_带桅字的词语