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	Maunder minimum Maundy Maundy money Maundy Thursday Maupassant Mauretania Mauretanian Mauriac Mauritania Mauritanian Mauritian Mauritius Maury Maurya Mauryan mausoleum mauve mauveine mauvish maven maverick mavis maw mawkish mawkishly

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