| 词汇 | nonagon |
| 释义 | nonagon noun[ C ] uk /ˈnɒn.ə.ɡən/ us /ˈnɑː.nə.ɡɑːn/ a flat shape with nine straight sides九边形，九角形 Geometrical shapes -cornered circularly congruently conic cylindrically lozenge ovally ovoid parallelogram pentagon polyhedron polytope prism pyramid pyramidical quadrilateral rectangle rectangular rhombus three-dimensional Examples of nonagonnonagon Three superimposed equilateral triangles at 40° intervals form a star nonagon. Below is a close approximation of a regular nonagon. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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