/ˈsændblæst ||; ˈsændˌblæst/verb [T] (often passive 通常用于被动语态) to clean, polish, decorate, etc a surface by firing sand at it from a special machine 喷沙﹙用以清污、打磨等﹚: The building would have to be sandblasted to remove the black soot. 大楼需要喷沙以清除黑色油烟迹。