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	erythro salt Erythrose 4 Phosphate erythrosedimentation erythrose isomerase erythrosepalus erythrose peribuccale pigmentaire erythrose peribuccale pigmentaire of brocq erythrose peribuccale pigmentaire, pigmented peribuccale erythema Erythrose Reductase erythrose erythrosiderite erythrosin erythrosin B erythrosin B. B. erythrosin BB erythrosin,bluish erythrosin cell erythrosin cells erythrosine erythrosine aluminium lake erythrosine aluminum lake Erythrosine B erythrosine,bluish erythrosine reaction Erythrosine RS

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