沙塔

例句：

1. 1. The children played inthe sandcastle they built yesterday.
   孩子们在昨天他们建造的沙堡里玩耍。
2. 2. The old man sat on his sandcastle and watched the sunset.
   老人坐在他的沙堡上看着日落。
3. 3. Thekids were playing with their sandcastleswhen it started to rain.
   孩子们正在玩他们的沙堡时开始下雨了。