rat·a·plan /ˈrætəˌplæn/ 敲鼓聲(vt.)(vi.)(使)發咚咚聲
Ra·ta·plan n. The iterative sound of beating a drum, or of a galloping horse. ◄ ►
rataplan n : the sound made by beating a drum [syn: rub-a-dub, drumbeat]