| 单词 | octagon |
| 释义 | octagonWord family nounoctachordoctagonoctahedriteoctahedronoctameterOctandriaoctapodyoctastichadjectiveoctachordaloctagonaloctahedraloctamerousoctandrianoctandrousoctangularoctapodicoctastichousoctastrophicoctastyleoctavalentadverboctagonally Shapes, patterns, Maths oc·ta·gon /ˈɒktəɡən $ ˈɑːktəɡɑːn/ noun [countableC] CFa flat shape with eight sides and eight angles 八边形，八角形 →5 see picture at 见图 shape1 —octagonal /ɒkˈtæɡənəl $ ɑːk-/ adjectiveadj an octagonal tower 八角形塔 Examples from the Corpus octagon• An ambulatory round the central octagon joins together the four chapels of the smaller ones.• The big trap in dealing with the Duveen Galleries is the centre octagon.• This main octagon is the central chamber or nave.• The result should be a perfect octagon.• Loops of wire pressed octagons into her face, just below the hairline, imprinting a headdress of chains.• At four corners are smaller octagons, replicas in design of the large one and all very tall.• Here, the old central tower over the crossing was replaced by the unique octagon and lantern. (1500-1600) Latin octagonum, from Greek, from okta- “eight” + -gonon “-gon” |
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