Bursa subcutanea acromialis

例句：

1. 1. The acromialis is the most important part of the arm.
   肱骨是手臂最重要的部分。
2. 2. The acromialis is responsible for the movement of the shoulder joint.
   肱骨负责肩关节的运动。
3. 3. The acromialis is also known as the humerus.
   肱骨也被称为肱骨。