doctrinaire

n. 空论家，adj. 教条的，迂腐的

do without, do without (sb/sth), do wrong, do's, do's and don'ts, do-gooder, do-it-yourself, do/try one's best, doc, docile, docilely, docility, dock, docker, docket, dockland, dockyard, doctor, doctoral, doctorate, doctrinal, doctrine, document, documentary, documentation, dodder, dodderer, doddering, doddle, dodge, dodgems, dodger, dodgy, dodo, doe, doer, does, doff, dog, dog days,