| 单词 | octagon | 
| 释义 | octagon octagon /ˈɒk.tə.ɡən/ aep /ˈɑːk.tə.ɡɑːn/ noun [C] ► F0 a flat shape with eight sidesThesaurus+: ↑Geometrical shapes , ↑Spherical, circular and annular objectsoctagonal /ɒkˈtæɡ.ən.əl/ aep /ɑːk-/ adjective ► F0» an octagonal (= with eight sides) towerThesaurus+: ↑Geometrical shapes , ↑Spherical, circular and annular objects  | 
	
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