dose

n.(药的)剂量，一服 v.给(药)；(给…)服药

doormat, doornail, doorpost, doorstep, doorstop, doorway, dope, dopey (also dopy), Doric, dorm, dormancy, dormant, dormer, dormitory, dormitory town, dormouse, dorsal, dory, DOS, dosage, doss, doss-house, dosser, dossier, dot, dot matrix, dotage, dote, doting, dotingly, dotted line, dottiness, dottle, dotty, double, double agent, double back, double bed, double bill, double bind,