dihedrals 📖 中文释义 (dihedral 的复数) a. (数)二面的n. 两面角 🧩 词形变化 原形 dihedral 📘 English Definition(英文释义) plural of dihedrala. Having two plane faces; as, the dihedral summit of acrystal. ← dihedral group D 字母词表 dihedron →