击鼓声（咚哒咚咚）一种有四个基本鼓点且第二个鼓点从左手换到右手的鼓击形式 A pattern of drumbeats characterized by four basic beats and alternating left-handed and right-handed strokes on the successive primary beats.
演出快进行到最惊险的部分时响起了咚咚的鼓声。 A drum roll preceded the most dangerous part of the performance.
鼓声平稳而缓慢。 The beats of the drum were steady and slow.
