From the outside, it looks like the ripple of piano keys in the muscles under my skin.

从外表看，它看起来像是我皮肤下的肌肉泛起的钢琴键纹波。

youdao

This squeezes the blood vessels in the muscles reducing the blood supply to the muscles.

这使肌肉挤压血管，减少了对肌肉的供血。

youdao

Sense of touch, vision and receptors in the muscles and joints help the brain keep track of the body.

触觉、视觉以及肌肉和关节上的接受器使大脑保持对身体的感知。

youdao

Common signs of sleeping sickness include fever,headaches, extreme tiredness and pain in the muscles and joints.

VOA: special.2010.01.04

And those plans and commands descend down this spinal cord to drive the muscles in our arm, to guide the arm where we like it to go.

这些计划和指令沿着脊髓而下,驱动我们胳膊的肌肉，指挥我们的胳膊按意志活动。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

They also can become weak, expel material from the stomach, and suffer pain in the head or muscles.

VOA: special.2010.04.20

Chiropractors say this produces a reaction similar to that, for instance, felt in the muscles after playing tennis for the first time in ten years.

BBC: Bank Holiday health risk

Hunting an animal may be tiresome but necessary, so endorphins are secreted during exertion to numb the discomfort induced by lactic acid production in the muscles.

ECONOMIST: Exercise and company

The skin is taut, revealing ribs and veins in the torso, muscles in the haunch and legs.

WSJ: The Imaginary Made Nearly Read | The Chimera of Arezzo | Masterpiece by Judith H. Dobrzynski