| 单词 | polyhedron |
| 释义 | polyhedron /pol'ee hee"dreuhn/, n. , pl. polyhedrons, polyhedra /-dreuh/. a solid figure having many faces. See illus. under dodecahedron, icosahedron, octahedron, pentahedron, tetrahedron. [1560-70; < Gk polýedron, neut. of polýedros having many bases. See POLY-, -HEDRON] |
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