door

n.门，入口

domino effect, don, Don Juan, Don Quixote, don't, don'ts, donate, donation, done, donjon, donkey, donkey engine, donkey jacket, donkey-work, donnish, donor, doodle, doom, doomed, doomsday, door-bell, door-frame, door-handle, door-keeper, door-knob, door-knocker, door-plate, door-way, doorbell, doorknob, doorman, doormat, doornail, doorpost, doorstep, doorstop, doorway, dope, dopey (also dopy), Doric,