ceiling

n.天花板，顶篷

cayman (also caiman), CB, CBC, CBE, CBI, CBS, cc, CD, CD-ROM, Cdr (also Cmdr), Cdre (also Cmdre), CDT, CE, cease, cease-fire, ceaseless, ceaselessly, cedar, cede, cedilla, celandine, celebrant, celebrate, celebrated, celebration, celebrity, celerity, celery, celestial, celibacy, celibate, cell, cellar, cellist, cello, Cellophane, cellular, cellular-phone, celluloid, cellulose,