Octofoil
八瓣形
??? 情景例句
Well, it's fine if you take our picture.
你想拍我們的照，就請吧。
This country is localed in the southern hemisphere.
這個國家位于南半球。
Everyone knows that if he shouts in the vicinity of a wall or a mountainside, an echo will come back.
大家都知道，在墻壁或山腰附近發出的喊聲，就會聽到回聲。