英语词汇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	blue moon
释义	blue moonn.Informal（名词）【非正式用语】 A relatively long period of time:很长一段时间：I haven't seen you in a blue moon.我好久没有见到你了
随便看	Toombs toon toon toonie toonies toons toot tooted tooth tooth toothache toothache tree tooth and nail toothbrush toothed toothed toothed whale tooth fairy toothier toothiest toothing toothless toothpaste toothpick toothpicks

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