dolour (US dolor)

n [U, C] (arch 古) grief or sorrow 哀伤; 悲痛.

dogrose, dogsbody, dogwood, doh (also do), doily (also doyley, doyly), doings, dol, doldrums, dole, doleful, dolefully, dolefulness, doll, doll's house, dollar, dollop, dolly, dolly-bird (also dolly), dolmen, dolorous, dolphin, dolt, doltish, domain, dome, domed, Domesday Book, domestic, domestic science, domestically, domesticate, domestication, domesticity, domicile, domiciled, domiciliary, dominance, dominant, dominate, dominated,