sand-blast

v [Tn] clean or decorate (a stone wall, etc) by aiming a jet of sand at it 喷沙清洗或装饰（石墙等）.

sampan, sample, sampler, sampling, samurai, San Andreas fault, San Francisco, sanatorium, sanctification, sanctify, sanctimonious, sanctimoniously, sanctimoniousness, sanction, sanctity, sanctuary, sanctum, sand, sand trap, sand-bar, sand-castle, sand-dune, sand-fly, sand-pit, sand-shoes, sand-yacht, sandal, sandalled, sandalwood, sandbag, sandbank, sandboy, sandiness, sandpaper, sandpiper, sands, sandstone, sandstorm, sandwich, sandwich board,