By contracting the skeletal muscles around the external sphincter, urination can be stopped voluntarily.

通过尿道外括约肌附近的骨骼肌收缩，排尿过程可以受意识支配而停止。

So, yeah, often when we're talking about hard work that we just don't want to do, we use metaphors that involve the skeletal muscles.

所以，是的，当我们谈论我们只是不想做的艰苦工作时，我们经常使用涉及骨骼肌的隐喻。

So it takes like 100 days to turn over skeletal muscle.

所以骨骼肌的更新需要大约100天的时间。

Myasthenia gravis preferentially affects young women or older men and commonly affects the extraocular muscles leading to eyelid drooping or double vision, but it might affect any skeletal muscle.

年轻女性和老年男性容易患重症肌无力，最常见的症状是眼外肌受累导致复视或眼睑下垂，还会影响其他骨骼肌细胞。

Only skeletal and smooth muscles are part of the musculoskeletal system and only the skeletal muscles can move the body.

只有骨骼肌和平滑肌是肌肉骨骼系统的组成部分，且只有骨骼肌能够使身体运动。