成语名称：披沙捡金：obtain gold by washing it from sand and gravel（choose the best among a host of things）英语： obtain gold by washi...
成语名称：披沙拣金：sort out the fine gold from the sand英语： sort out the fine gold from the sand披沙拣金造句：1、从这些废料中可以披沙拣金，提炼出贵重的东西来。2、...
成语名称：排沙简金：obtain gold by washing it from sand and gravel（choose the best among a host of things）英语： obtain gold by washi...
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