sternite

例句：

1. 1.The mountain is covered in a layer of hard, stony rocks.
   这座山覆盖着一层坚硬的岩石。
2. 2. The ancient stone artifacts are still visible in the museum.
   古老的石器仍然在博物馆里可见。
3. 3.The rock formations are an important part of the geological landscape.
   岩石形成物是地质景观的重要组成部分。