難忘的英文單詞形容詞詞性

單詞是unforgetable，例如：

Its tune is dreamy and dramatic， and can bring the listeners unforgetable enjoy although there are no lyrics or singers.它的旋律如夢似幻，沒有歌詞無人演唱，卻更能帶給聽眾最難忘的享受。