float shoe

例句：

1. 1. She wore a float shoe to the beach for fun.
   她穿着一双浮动鞋去海滩玩。
2. 2.The child needed a float shoe to keep him from falling in the water.
   孩子需要一双浮动鞋来防止他掉进水里。
3. 3.The boat was equipped with float shoes to help people get on and off easily.
   船上配备了浮动鞋，方便人们上下船。