ball bullet

例句：

1. 1. The children are playing with the colorful balls in the park.
   孩子们在公园里和五颜六色的球玩耍。
2. 2. The basketball player is shooting a three-pointer.
   篮球运动员正在投篮三分球。
3. 3. The ball rolled into the bushes.
   球滚进了灌木丛。