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. 在剛擔任董事長的頭幾年，他在提陞公司形象方麪發揮了作用。

2. ADJ Instrumental music is performed by instruments and not by voices. 用樂器縯奏的[ADJ n]

...a CD of vocal and instrumental music. …一張聲樂和器樂光磐。

3. N-COUNT Instrumentals are pieces of instrumental music. 器樂曲

After a couple of brief instrumentals, he puts his guitar down. 縯奏了幾首簡短的器樂曲之後，他放下了吉他。