instrumentalKK [ˌɪnstrəˈmɛntəl] ｜ /ˌɪnstrəˈmɛntəl/
GEPT 中高級
C1adjective
relating to or designed for or performed on musical instruments
The piano, drums, and violin are all examples of instrumental music.
器樂的；樂器演奏的
C1adjective
serving or acting as a means or aid
The internet has been instrumental in connecting people from all over the world.
起關鍵作用；有助益