蟾蜍石

例句：

1. 1. The toadstone is a popular souvenir from the local museum.
   蟾蜍石是当地博物馆的热门纪念品。
2. 2. The toadstone was discovered in the park during a field trip.
   在一次野外考察中，人们在公园里发现了蟾蜍石。
3. 3. The toadstone has been used as a decorative item for centuries.
   这种石头被用作装饰品有几个世纪了。