| 释义 |
index fossil ˈindeksˈfɔsl
基本英英近义反义Thesaurus
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 guide fossil标准化石
as in.trace fossil
同义词 fossil footprint,fossil record,zone fossil
trace fossilnoun details in rock
fossil footprint,fossil record,zone fossil |