英语词汇a needle in a haystack是什么意思，a needle in a haystack的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	a needle in a haystack
释义	US
随便看	multiring file multiring hydrocarbon multiring structure multirole multirole multiroll beater multiroll crusher multirooted multirooted teeth multirope friction winder multirotation multirow multirow bearing multirow radial engine multirun multirunning multisampling Multisation Access Unit multiscalar multiscaler multiscreen multiscreen multiseater multisection multisectorial model

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