boltwoodite

例句：

1. 1. The boltwoodite in the museum is a rare and valuable specimen.
   博物馆里的螺栓石是一种罕见的珍贵标本。
2. 2. The ancient city was built on top of a large boulder, which is now known as the boltwoodite.
   这个古老的城市建在一个巨大的岩石上，现在被称为螺栓石。
3. 3. The boltwoodite has been used for centuries to make jewelry and other decorative items.
   螺栓石被用来制作珠宝和其他装饰品几个世纪了。