a large metal drum with a round bottom and a thin plastic top that can be made looser or tighter to produce different musical notes. A set of kettledrums is usually called timpani. 定音鼓；锅鼓
a large metal drum with a round bottom and a thin plastic top that can be made looser or tighter to produce different musical notes. A set of kettledrums is usually called timpani. 定音鼓；锅鼓