wear down是什么意思？

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 ...

wear down的音标：wear down的英式发音音标为：[wɛə daun]wear down的美式发音音标为：[wɛr daʊn]...