外接球 meaning in English

circum here
circumscribed sphere
circumsphere

The wide receiver was wide open when the quarterback threw him the ball
当四分卫传给外接球员时，他身旁什麽人也没有。
Two inequalities concerning the circumradius and inradius of a simplex in n - dimensional space
维单形外接球半径和内径的两个不等式
Tetrahedral outside heart of the ball that receive a ball is in tetrahedral interior , exterior or on the face , right tetrahedral what demand is there ? ?
四面体的外接球球心在四面体的内部,外部或者是面上,对四面体有什么要求? ?