1important in making sth happen有重要作用VERBS | ADVERB | PREPOSITIONVERBS➤be, prove有作用;證明有作用▸➤become開始起作用ADVERB➤highly, very特別/非常有作用▸➤essentially, largely起基本作用;起很大作用▸➤merely僅僅起輔助作用的▸➤purely純粹輔助性的PREPOSITION➤in在⋯方面起作用◇They were highly instrumental in bringing the business to Newtown.在把業務引入紐敦過程中他們發揮了重大作用。instrumental
adjective²
2made by or for musical instruments樂器VERBS | ADVERBVERBS➤be是器樂演奏的ADVERB➤largely, mostly大部份是器樂;以器樂為主◇The songs are largely instrumental.這些歌曲以器樂為主。➤entirely, purely完全是/純粹是器樂◇The album was entirely instrumental.這張專輯全部都是器樂作品。◇He's created a purely instrumental score.他已經編寫出一首純器樂的樂譜。