萎缩

例句：

1. 1.The muscles in his arms have begun toatrophy due to lack of exercise.
   他的手臂肌肉由于缺乏锻炼开始萎缩。
2. 2.The old tree is showing signs of atrophy as it ages.
   这棵老树随着年龄的增长显示出萎缩的迹象。
3. 3. Thedisease has caused significant atrophy inthe affected area.
   这种疾病已经导致受影响区域的显著萎缩。