单词	nonfossiliferous
释义	nonfossiliferous adjective non·​fos·​sil·​if·​er·​ous ˌnän-ˌfä-sə-ˈli-f(ə-)rəs  : not containing fossils : not fossiliferous nonfossiliferous mudstone Word History First Known Use 1833, in the meaning defined above
随便看	allographs allogroom allogroomed allogrooming allogrooms alloiobiogenesis Alloiocoela alloiogenesis alloisomerism allokineses allokinesis allokinetic Allolobophora allomaternal allomerism allomerisms allomerous allometric allometries allometron allometry allomones allomorph allomorphic allomorphism

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