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单词 genus protoavis
释义
Genus Protoavis
nnoun.animalextinct primitive birds of the Triassic period; 70 million years before archaeopteryx
Member Holonyms:Aves class Aves
Hypernyms:bird genus
Inherited Hypernyms:genus protoavisbird genusgenustaxonomic groupbiological groupgroupabstractionentity
Member Meronyms:protoavis
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