a dull blade的用法和样例：
- A dull blade will cause slow, inefficient cutting overload on the saw motor, excessive splintering and could increase the possibility of kickback.
- The dying fire was throwing out a dull red light.
- I feel a dull pain in the stomach.
- He felt a dull ache in his shoulder.
- All work and no pay makes Jack a dull boy.
a dull blade的相关资料：