v.限制；劃一條線包圍；確定...的范圍；畫（幾何圖形的）外接圓

Do not circumscribe your study only in classes. 不要把自己的學習只局限于課堂。

A man should not circumscribe his activity by any inflexible fence of rigid rules. 人不應該將自己的行為限制在由僵化的條文構成的不可變通的范圍之內。

First, it is always possible to circumscribe a sphere in a camera-aligned quad. 首先，它總能保證和一個與攝像機對齊的矩形相切。