英语词汇blue moons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	blue moons
释义	blue moon 不可能的事；罕见的现象 [口语]一段长的但不确定的时间，很久蓝月，千载难逢的时期，难得来临(或遇到)的时刻[常见于以下短语 once in a blue moon 千载难逢，甚为罕见]
随便看	Northman Northmen northmost north-northeast north-northeasts northnortheastwardly north-northwest north-northwests north-northwestwardly north of North Pacific Current northpaw north point north polar distance North Polar Spur north pole north poles North Riding North River Northrop, John Howard norths North Sea North-Sea gas north seas North,Sir Thomas

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