level ·noun (AMOUNT)
Definition: the amount or number of something Level: B2
她的投入使她在古典音乐领域达到了非凡的专业水平。
Her dedication has brought her to an extraordinary ___level of expertise in classical music.
要解开这个谜题，你需要非同寻常的专注力和耐心。
To solve this puzzle, you need a remarkable ___level of focus and patience.
手术后，在饮食中维持足够的蛋白质摄入量对恢复至关重要。
After the surgery, maintaining an adequate ___level of protein in your diet is crucial for recovery.