dot

n.点，小数点 vt.打点于，好缀；敲打

doorway, dope, dopey (also dopy), Doric, dorm, dormancy, dormant, dormer, dormitory, dormitory town, dormouse, dorsal, dory, DOS, dosage, dose, doss, doss-house, dosser, dossier, dot matrix, dotage, dote, doting, dotingly, dotted line, dottiness, dottle, dotty, double, double agent, double back, double bed, double bill, double bind, double bluff, double chin, double cream, double date, double Dutch,