sponge

n.海绵 v.用海绵洗

split-level, splitting, splotch, splotch (Brit also splodge), splurge, splutter, spoil, spoil-sport, spoilage, spoiler, spoils, spoils system, spoke, spoken, spokeshave, spokesman, spokeswoman, spoliation, spondaic, spondee, sponge-bag, sponge-cake, sponge-pudding, sponger, sponginess, sponging, spongy, sponsor, sponsorship, spontaneity, spontaneous, spontaneous combustion, spontaneously, spoof, spook, spookiness, spooky, spool, spoon, spoon-feed,