brockage

例句：

1. 1.The rocks in the park are very hard and can be used for building.
   公园里的岩石非常坚硬，可以用来建造。
2. 2.He made the rock hard by applying pressure.
   他通过施加压力使岩石变硬了。
3. 3.The brockage of the mountain is impressive.
   这座山的岩石层令人印象深刻。