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	frequency response frequent frequentation frequentative frequenter frequently fresco frescoed fresco secco fresh fresh as a daisy fresh blood fresh breeze freshen freshen something up freshen up fresher freshet fresh-faced fresh from/out of fresh gale freshie freshly freshman freshness

英汉双解词典包含131075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。