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词汇 biped
词源

biped n.

"animal with two feet," 1640s, from Latin bipedem (nominative bipes) "two-footed," as a plural noun, "men;" from bi- "two" (see bi-) + pedem (nominative pes) "foot" (from PIE root *ped- "foot"). As an adjective from 1781.

updated on July 04, 2017

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