柯林斯词典sander /ˈsændə/ (sanders) 1. N-COUNT A sander is a machine for making wood or metal surfaces smoother. 打磨机 返回 sander剑桥词典(also sanding machine) an electrical machine to which a sheet or disc of rough paper is fastened to rub other surfaces in order to make them smoother 打磨机，磨光器 US a special vehicle that spreads sand on the roads when they are covered with ice （防止路面结冰的）撒沙车 比较gritter 返回 sander