英语词汇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	in a blue moon
释义	Examples: once in a blue moon — 千载难逢 See also: blue adj — 碧 adj • 白色 adj • 蓝莓 adj moon n — 月 n • 月球 n • 月亮 n • 月相 n • 阴 n • 蟾 n • 丽魄 n • 婵娟 n in prep — 中 prep • 于 prep • 其中 prep 2-in-1— 二合一 in-— 非
随便看	leading edge equipment leading-edge expertise leading edge features leading-edge industry leading-edge information leading edge innovation leading edge manufacturing leading edge of innovation leading edge of the paper leading edge of the wing leading edge operation leading-edge performance leading edge phase leading edge position leading edge process leading edge process technology leading edge production leading-edge products leading-edge products and services leading-edge projects leading edge protection leading edge provider leading-edge quality standards leading edge research leading edges

英汉双解词典包含2273206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。

once in a blue moon —