bicipital muscle of arm

例句：

1. 1.The biceps muscle is responsible for rotating the forearm.
   肱肌负责旋转前臂。
2. 2. The biceps muscle is an important part of a person's arm strength.
   肱肌是人手臂力量的重要组成部分。
3. 3. During exercise, the biceps muscle can be targeted to improve arm strength.
   在锻炼过程中，可以针对肱肌来提高手臂力量。