英语词汇once in a blue moon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	once in a blue moon
释义	once in a blue moon : very rarely难得有一次；极为罕见 It happens once in a blue moon.这真是千载难逢啊。 blue moon
随便看	cumulus cuneiform cunnilingus cunning cunningly cunt cunts cup cupboard cupboards cupcake cupcakes cupful cupfuls cupid cupidity cupids cupola cupolas cuppa cuppas cupped cupping cups cupsful

英汉双解词典包含109353条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。