mandelstone

例句：

1. 1. The mandelstones in the museum are fascinating to watch.
   博物馆里的曼德尔石非常吸引人。
2. 2. The mandelstones were discovered in a remote cave.
   这些曼德尔石是在偏远的洞穴里被发现的。
3. 3. The mandelstones have been used for centuries as a symbol of beauty and elegance.
   这些曼德尔石被用作数百年的象征，代表着美丽和优雅。