英语词汇a needle in a bottle of haystack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	a needle in a bottle of haystack
释义	a needle in a bottle of haystack 极难找的东西
随便看	reverse the charge reverse the charge s reverse the charges reverse transcriptase reverse transcriptases reverse transcription Reverse Transcriptions reverse turn reverse video reverse voltage reversibilities reversibility reversibility principle reversible reversible booster reversible cell reversible change reversible chemical reaction reversible colloid reversible cycle reversible electrode reversible engine reversible heat engine reversible motor reversibleness

英汉双解词典包含483723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。