index fossil

 
       
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index fossil的英文翻譯是什么意思,詞典釋義與在線(xiàn)翻譯:

英英釋義

Noun:
  1. a fossil known to have lived in a particular geologic age that can be used to date the rock layer in which it is found

index fossil的相關(guān)資料:

近反義詞

【近義詞】

臨近單詞

今日熱詞
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