a great piece of paint的用法和样例：
- Matvey saws out a great piece of ice for a lectern.
- It is like a great piece of music.
- These portraits are great pieces of paint.
- Here he made an easel of rough wood and put a great piece of gray paper on it and drew a picture.
- Maggie's hair had a natural tendency to curl, which her mother considered to be a great piece of good luck.