glacial rock

例句：

1. 1. The glacier rocks are exposed at the base of the mountain.
   冰川岩石在山脚下露出来。
2. 2.Glacial rocks are formed by the slow movement of water under pressure.
   冰川岩石是由缓慢流动的水在压力下形成的。
3. 3.The glacier rocks provide evidence of the past climate changes.
   冰川岩石提供了过去气候变化的证据。