trihedron / traɪˈhi drən /

🎓大学词汇三面体三角形三边形三角形的

trihedron 的定义

n. 名词 noun

plural tri·he·drons, tri·he·dra [trahy-hee-druh]. /traɪˈhi drə/. Geometry.

  1. the figure determined by three planes meeting in a point.