atrophy of tongue due to avitaminosis

例句：

1. 1. The patient's muscles have begun to atrophydue to lack of exercise.
   由于缺乏锻炼，患者的肌肉开始萎缩。
2. 2. Theold tree has begun toatrophy as it ages.
   随着年龄的增长，这棵老树开始萎缩。
3. 3. The disease caused the patient's body to atrophy rapidly.
   这种疾病迅速导致患者身体萎缩。