triradius / traɪˈreɪ di əs /

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triradius 的定义

n. 名词 noun

plural tri·ra·di·i [trahy-rey-dee-ahy], /traɪˈreɪ diˌaɪ/, tri·ra·di·us·es.Physical Anthropology.

  1. a Y-shaped group of ridges on the palm of the hand at the base of each finger.