ㄎㄞkāiㄑㄧㄡˊqiú

  1. 類比每回開始發出第一籃球校長主持開球。」

open ball (math.)​, to start a ball game, to kick off (soccer)​, to tee off (golf)​
boule (topologie)​
Angabe (S)​, Anstoß (S)​, anstoßen (V)​