playfield

例句：

1. 1. The children are playing on the playground.
   孩子们正在游乐场玩耍。
2. 2.She enjoys playing the piano in her spare time.
   她喜欢在空闲时间弹钢琴。
3. 3.The park has a large playfield for kids to enjoy.
   公园有一个大的游戏场地供孩子们玩耍。