sundown

n [U] (esp US) sunset 日落（时分）.

sun-god, sun-hat, sun-lamp, sun-ray, sun-roof, sun-tan, sun-tanned, sun-trap, sun-up, sun-worship, sun-worshipper, sunbathe, sunbeam, sunburn, sunburned, sunburnt, sundae, Sunday, Sunday school, sunder, sundial, sundowner, sundries, sundry, sunfish, sunflower, sung, sunk, sunken, sunless, sunlight, sunlit, sunnily, sunniness, sunny, sunny-side up, sunrise, sunset, sunshade, sunshine, sunspot,