drum

n.鼓(声)；鼓状物；鼓膜

dropsy, dross, drought, drove, drover, drown, drowse, drowsily, drowsiness, drowsy, drubbing, drudge, drudgery, drug, drug addict, drug dealer, drug pusher, drugget, druggist, drugstore, Druid, drum brake, drum major, drum majorette, drum-kit, drumbeat, drumhead, drummer, drumming, drumstick, drunk, drunkard, drunken, drunkenly, drunkenness, drunkometer, drupe, dry, dry battery, dry cell, dry dock,