美[?ɑ:kt?gɑ:n] 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。
來自辭典例句
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?
來自互聯網
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.
來自互聯網
1.八邊形
