ball feeder

例句：

1. 1. The ball feederis a device that dispenses ballsfor children to play with.
   球喂食器是一种为儿童玩耍而分发球的设备。
2. 2.The ball feeder was designed to keepthe balls in their place and prevent themfrom rolling away.
   球喂食器被设计来保持球的位置，防止它们滚走。
3. 3. The ball feeder was a popularchoice for parents who wanted to encourage theirchildren to play with balls.
   球喂食器是父母们喜欢选择的，因为他们想鼓励孩子们玩球。