可以用 "She dances beautifully" 表示她跳舞跳得很好。
来源：beautifully 是形容词，表示「美丽地」；dance 是动词，表示「跳舞」。
例句：
She dances beautifully on stage. (她在舞台上美妙地跳舞。)
Her graceful moves show she dances beautifully. (她优美的动作表明她跳得很好。)
He was mesmerized by her beautifully danced performance. (他被她美妙的舞蹈表演吸引住了。)