He is the one who stands up and plays the a, so the rest of the orchestra can tune their instruments to him, and then the conductor comes on.

他会站起来演奏A调，这样乐队的其他演奏家就能根据他来调音，指挥也随之开始。

youdao

He is the one who stands up and plays the a, so the rest of the orchestra can tune their instruments to him, and then the conductor comes on.

他会站起来演奏A调，这样乐队的其他演奏家就能根据他来调音，指挥也随之开始。

youdao