柯林斯词典steel wool 1. N-UNCOUNT Steel wool is a mass of fine steel threads twisted together into a small ball and used for cleaning hard surfaces or removing paint. 钢丝球 返回 steel wool剑桥词典a thick layer of thin steel threads twisted together, small pieces of which can be used to rub a surface smooth 钢绒,钢棉(用以打磨物体表面) 返回 steel wool