a solid ball的用法和样例：
- He said that this world was once a mere bank of fog, and that the Almighty thrust His finger into this bank of fog, and began slowly to move His finger around, increasing the speed until at last he whirled this bank of fog into a solid ball of fire.
- Cheese is a solid; milk is a liquid.
- Matter can exist as a solid, liquid, or gas.
- There was a solid vote in favour of the proposal.
- The physical volume or bulk of a solid body.
a solid ball的相关资料：