Her 13-year-old son, William plays a traditional drum that Tainos from Puerto Rico made for him.

VOA: standard.2010.04.05

If it was sound that was being received that might be beating of a drum, for example, that sound gets transduced.

如果将配体看作是,有待接受的敲鼓声,声音信号得到了转换

耶鲁公开课 - 生物医学工程探索课程节选

Mr.Brown has just returned from a whistle-stop tour of France, the United States and South America to drum up support for unified economic action.

VOA: standard.2009.03.30