sunken

a.沉没的

sun-up, sun-worship, sun-worshipper, sunbathe, sunbeam, sunburn, sunburned, sunburnt, sundae, Sunday, Sunday school, sunder, sundial, sundown, sundowner, sundries, sundry, sunfish, sunflower, sung, sunk, sunless, sunlight, sunlit, sunnily, sunniness, sunny, sunny-side up, sunrise, sunset, sunshade, sunshine, sunspot, sunstroke, sunup, sup, super, super-, super-duper, superduper, super-ego, superego, superabundance,