记忆方法
记忆“octagon”这个单词，可以将其分解为“oct-”和“-agon”。记忆方法是：“oct-”联想为“8”，因为“oct”是八的意思，而“-agon”联想为“角”，指的是一个有角的图形。结合起来，就是“八个角的图形”，这就是“八边形”或“octagon”的意思。
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词族 · octagon
词形变化
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?
- 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.