英语词汇optional switch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 switch
释义	optional switch oppositionaladj. 反对的,对抗的 nationalisticadj. 民族主义的；国家的；民族的 operationalizevt. 使用于操作,使开始运转,实施
随便看	Countermelodies countermelody counter member countermemo countermemorials counter memory counter, memory countermemos countermen countermesh countermessage counter method of piloting countermigration counter migration counter migration electrophoresis countermine countermine operation counterminer countermining distance countermissile countermissile missile countermobility operations countermobilization counter mobilization countermobilizations

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