octagon是什麼意思 octagon的用法 octagon怎麼讀
octagon
英 ['ɒktəg(ə)n]美 ['ɑktəɡɑn]
n. 八邊形，八角形
星級詞彙:★
中文詞源
octagon 八邊形，八角形
octa-,八，-gon,邊，角，詞源同knee,decagon.
英語詞源
octagon (n.)
1650s, from Latin octagonos
, from Greek oktagononos, literally "eight-angled," from okta- comb. form of okto "eight" (see eight) + gonia "angle," related to gony "knee" (see -gon). Also octogon (1650s), from French octogone.權威例句
1. Various windows embellish the corridor, with the shape of square, circle, hexagon and octagon.
走廊的窗戶形狀各異，有方形，有圓形，有六角形，也有八角形。
2. Eight . A circle has 1 line , and an octagon has 8.
如果圈代表一個,八角形是多少?
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3. The design of octagon vase is tall and simple; the glaze color is green and clear.
八棱瓶造型簡潔挺拔, 釉色青綠瑩潤.
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[ octagon 造句 ]
