octagon
noun /ˈɒktəɡən/
/ˈɑːktəɡɑːn/
(geometry)- a flat shape with eight straight sides and eight anglesTopics Colours and Shapesc2
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Word Originlate 16th cent.: via Latin from Greek octagōnos ‘eight-angled’.
单词 | octagon |
释义 | octagonnoun /ˈɒktəɡən/ /ˈɑːktəɡɑːn/ (geometry)
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