英语词汇optional operation怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	optional operation
释义	optional operation operationalizevt. 使用于操作,使开始运转,实施
随便看	unwalking unwall unwalled unwallet unwalling unwallowable unwallowed unwandered unwandering unwaning unwantable unwanted unwanted absorption unwanted alarm Unwanted Birth Unwanted Births Unwanted Child Unwanted Children unwanted combustion unwanted echo unwanted effect unwanted emission unwanted fire unwanted goods unwanted image

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