英语词汇index fossil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	index fossil
释义	index fossil noun Geology a fossil that is useful for dating and correlating the strata in which it is found 【地质】标准化石。
随便看	prescient pre-scientific presciently prescind prescribe prescriber prescript prescription prescriptive prescriptively prescriptiveness prescriptivism prescriptivist preseason pre-select pre-selection pre-selective pre-selector presence presence chamber presence of mind presenile present presentability presentable

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