octagon是什么意思 octagon的用法 octagon怎么读

octagon

英 ['ɒktəg(ə)n]美 ['ɑktəɡɑn]

n. 八边形，八角形

星级词汇:★

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中文词源

octagon 八边形，八角形

octa-,八，-gon,边，角，词源同knee,decagon.

英语词源

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.

权威例句

1. Various windows embellish the corridor, with the shape of square, circle, hexagon and octagon.

走廊的窗户形状各异，有方形，有圆形，有六角形，也有八角形。

2. Eight . A circle has 1 line , and an octagon has 8.

如果圈代表一个,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.

八棱瓶造型简洁挺拔, 釉色青绿莹润.

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