n.击鼓声
动词drum的现在分词形式.
Rain has been drumming on the windows all night. 大雨通夜不停地敲打着窗户。
It really bugs me the way he keeps drumming his fingers on the table. 他不停地用手指咚咚地敲打桌子的习惯实在使我受不了。
He had an annoying habit of drumming his fingers on the table while he listened. 他有一个烦人的习惯：听别人讲话时不断用手指在桌面上敲击。
He's going round firms drumming up interest in the project. 他到各公司游说以引起大家对该项目的兴趣。
