英语词汇“once in a blue moon”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	once in a blue moon
释义	once in a blue moon 千载难逢地
随便看	safety release spring safety reliability safety relief and pressure relief valves safety-relief area safety-relief valve safety relief valve safety remote control safety remote control equipment safety report safety requirement safety requirement for nuclear installation design safety requirement for nuclear installation operation safety requirement for nuclear installation siting safety requirements safety resin catcher safety resin trap safety responsibility safety responsibility act safety responsibility regulations safety responsibility system safety reverse lever safety reverse lever spring safety review safety rim safety ring 墙头细雨垂纤草，水面回风聚落花。墙头草，两边倒墙头草，随风倒墙头语鹊衣犹湿，楼外残雷气未平。墙头鸜鹆隈花叶，水面蜻蜓寄草枝。墙头鸲鹆隈花叶，水面蜻蜓寄草枝墙打八尺，也要透风墙打百杵也透风墙打百板也透风墙有眼睛，壁有耳シンデンシンデンシンデンシンデンシンデンズシンデンヅクリシンデン造リシントシントシント