sand-castle

n pile of sand shaped to look like a castle, usu made by a child on a beach 用沙子堆的城堡（通常指儿童在沙滩堆筑的）.

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-blast, 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, sandwich course,