instrumental

1. ADJ Someone or something that is instrumental in a process or event helps to make it happen. 起作用的

In his first years as chairman he was instrumental in raising the company's wider profile. 在刚担任董事长的头几年，他在提升公司形象方面发挥了作用。

2. ADJ Instrumental music is performed by instruments and not by voices. 用乐器演奏的[ADJ n]

...a CD of vocal and instrumental music. …一张声乐和器乐光盘。

3. N-COUNT Instrumentals are pieces of instrumental music. 器乐曲

After a couple of brief instrumentals, he puts his guitar down. 演奏了几首简短的器乐曲之后，他放下了吉他。