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	请查阅词条：once in a blue moon
随便看	reef tank reek reeked reeking reek-of reek of something reek of sth reek-of-sth reel re-elect reelect re-elect re-elected re-elected re-electing re-electing re-election re-election reeled re-eligibility re-eligibility re-eligible re-eligible reel-in reeling

英汉双解词典包含207842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。