“锉”怎么读

...

这门关不上, 你得把它锉一锉.The door won't fit ; you'll have to file it down.那囚犯锉断钢条逃跑了.The prisoner had filed through the steel bars and escaped.我的指甲太长了, 必须把它们锉平.My nails are too long, I must file them down....