单词	蝶鞍--卵鞍
释义	卵鞍；蝶鞍ephippium
随便看	operation level of supply operation license operation lifetime of operation lifetime of satellite operation limit operation limits operation line operation list operation & maintenance operation maintenance operation /maintenance notice operation & maintenance (o & m) operation maintenance，om operation management operation management of communication operation manager operation manager，om operation manaul operation manual operation manual--om operation manual，om operation map operation master file operation microscope operation mistake