下坠球

例句：

1. 1. The children wereplaying with the downhill ball in thepark.
   孩子们在公园里玩着下坠球。
2. 2. The downhill ball was launchedfrom a high point and landed safely onthe ground.
   下坠球从高处发射，安全着陆。
3. 3. The downhill ball isa popular game for families to enjoy together.
   下坠球是家庭共同喜爱的游戏。