wear down造句

They perceived that the enemy was trying to wear down their resistance.
他们明白敌人是想用消耗的办法来制服他们的抵抗.

Pipe smokers sometimes wear down the tips of their teeth where they grip their pipes.
抽烟斗的人用牙齿咬住烟斗，有时会把齿尖磨平。

The machines start to wear down, they don't make as many nuts and bolts as they used to.
机器开始出现磨损，螺母和螺钉的产量不如从前了。

• #wear down