a granular substance的用法和样例：
- A granular substance produced by grinding.
- A granular substance that stains easily with a basic dye and is often rich in phosphorus,found in the cytoplasm of various bacterial and fungal cells.
- The increase in volume of a granular substance when its shape is changed, because of greater distance between its component particles.
- Sprinkled or covered with meal or a similar granular substance.
- Jasper is a granular chalcedony.