seal

n.封条；图章 vt.密封；盖章于 n.海豹

sea-green, sea-horse, sea-island cotton, sea-kale, sea-legs, sea-level, sea-lion, sea-pink, sea-shore, sea-sick, sea-urchin (also urchin), sea-wall, sea-way, seabed, seaboard, seafarer, seafaring, seafood, seagoing, seagull, sealant, sealed orders, sealing, sealing-wax, sealskin, Sealyham, seam, seaman, seamanlike, seamanship, seamed, seamless, seamstress (Brit also sempstress), seamy, seance (also seance), seaplane, seaport, sear, search, search after,