请问 once in blue moon

请问 once in blue moon Once In A Blue Moon 歌词 there is a chance once in a blue moon Once in a blue moon 这句话话是啥意思啊 I haven't seen her once in a blue moon. This is a chance once in a blue moon, once in a blue moon 出处是哪里? 请用once in blue moon造句,多造几句..谢谢 once in a blue moon 为什么 解释为 机会难得,绝无仅有? once in a blue moon 意思和once in a while一样嘛? there is once in blue moon i havetogotowork,it's a blue Monday翻译 It is snowing down south ! Once in blue moon 意思一句英文的翻译 once in a blue moon 帮忙用这个造俩句子, You only get a glance like this once in a blue moon! it happend once in the blue moon根据这句话“不可能”编对话 You only get a chance like this once in a blue moon.这句话要怎么解释最好.in a blue moon要怎么解释. It was something that happens once in the blue moon.这是千载难逢的事Why is the blue moon,is there some special meaning in the blue moon,thanks a lot! 翻译短文： Have you ever heard someone use the phrase once in a blue moon ? People翻译短文： Have you ever heard someone use the phrase once in a blue moon ? People use this expression to describe something that th