drumbeat

n (sound of a) stroke on a drum 鼓的一击（声）.

drown, drowse, drowsily, drowsiness, drowsy, drubbing, drudge, drudgery, drug, drug addict, drug dealer, drug pusher, drugget, druggist, drugstore, Druid, drum, drum brake, drum major, drum majorette, drum-kit, drumhead, drummer, drumming, drumstick, drunk, drunkard, drunken, drunkenly, drunkenness, drunkometer, drupe, dry, dry battery, dry cell, dry dock, dry goods, dry ice, dry land, dry measure, dry rot,