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 1 →see: moon;
随便看	indigents indigestibilities indigestibility indigestible indigestibly indigestion indigestive indignant indignantly indignantly indignation indignations indignities indignity indigo indigoes indigos indirect indirect-discourse indirect discourse indirectdiscourse indirectly indirectly indirectness indirectnesses

英汉双解词典包含141091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。