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单词 coelurosaur
释义

coelurosaur /sē-lūˈrə-sör/

noun

A bipedal carnivorous dinosaur of the Triassic and Cretaceous periods, thought to be the ancestor of archaeopteryx

ORIGIN: Gr koilos hollow, ourā tail, and sauros lizard
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更新时间:2024/11/12 1:56:29