differentstyles of bed rocks的用法和样例：
- Microspherulites were commonly found in man made placer samples of bed rocks from the different stratigraphic units and gold orebodies in the Hatu gold deposit,Xinjiang.
- He is loath to get out of bed on cold morning.
- He is loath to get out of bed on cold mornings.
- She dragged herself out of bed, still half asleep.
- Toppling failure is one of deformation and failure types of bedded rock mass with high dip angle.It usually develops near the ground surface.