octagon

英 ['ɒktəg(ə)n] 美 ['ɑktəɡɑn]
  • n. 八边形,八角形
IELTS
星级词汇:
octagon
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octagon 八边形,八角形

octa-,八,-gon,边,角,词源同knee,decagon.

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.
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。

来自辞典例句

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?

来自互联网

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.

来自互联网