柯林斯词典sandblast /ˈsændˌblɑːst/ 1. N a jet of sand or grit blown from a nozzle under air, water, or steam pressure 喷沙2. V to clean, grind, or decorate (a surface) with a sandblast (以喷沙来)洗涤; 打磨 返回 sand-blast