1N-COUNT 军乐队鼓手指挥;行进军乐队指挥(或领队) A drum major is a sergeant in the army who is in charge of the drummers in a military band, or who leads the band when they are marching. 军乐队鼓手指挥;行进军乐队指挥(或领队) [British]
2N-COUNT 行进乐队指挥(或领队) A drum major is a man who leads a marching band by walking in front of them. 行进乐队指挥(或领队) [US]