殘留物,遺物,宿醉
hangover n 1: disagreeable aftereffects from the use of drugs (especially alcohol) [syn: {katzenjammer}] 2: an official who remains in office after his term [syn: {holdover}] 3: something that has survived from the past; "a holdover from the sixties"; "hangovers from the 19th century" [syn: {holdover}]