英语词汇“guide fossil”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	guide fossil
释义	guide fossil ɡaid ˈfɔsl 基本英英近义反义标准化石 Noun: 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近义词 index fossil标准化石
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