octagon

音標發(fā)音

Six identical triangles can be formed by drawing two straight lines through an octagon's center point.
經(jīng)過八角形的中心畫兩條直線，能夠得到六個一樣的三角形。
Why It's Innovative: A hydraulic system built into the bridge's handrail allows it to retract and curl into an octagon.
創(chuàng)新點：這座橋的欄桿使用了液壓驅(qū)動系統(tǒng)，使之能收縮卷曲成八邊形。
on the second floor of "The Octagon, " the centerpiece of the university's new science and engineering quad that opens later this year — will offer a stark contrast.
未來的圖書館在“八邊形”（學校新的科學和工程學四方院落中心的建筑，這個院落今年晚些時候開放）的第二層，它將和傳統(tǒng)的圖書館提供一個鮮明的對比。

They were housed in a specially modified octagon, a one-story, climate-controlled cottage, ringed by individual dog runs.
NEWYORKER: Offensive Play
Ellen lies on the ground and wants her stomach scratched, and when the caregivers slept in the octagon she licked them all night long.
NEWYORKER: Offensive Play