rod proof

例句：

1. 1.The carpenter used a long rod to measure the wall.
   木匠用一根长杆子来测量墙壁。
2. 2. The dog was barking at the stick in his hand.
   那只狗在咬他的手中那根棍子。
3. 3.The farmer used a stick to dig the garden.
   农民用一根棍子挖菜园。