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	tell against tellagainst tell-apart tell apart tellapart teller tellers tellership tellies telling telling tellingly telling off telling-off tellingoff tellings tellings-off tell-off tell off telloff tell-on tell on tellon tells tells fortune

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。