肌肉发僵时，皮肤的供血量就会减少。

The blood supply to the skin is reduced when muscles stiffen.

《柯林斯英汉双解大词典》

同样的方式，形成肢体的细胞变得更像肌肉细胞或皮肤细胞，或成为肢体的结构。

The same way cells that form the limb become more like muscle cells or skin cells, or the structures that become the limb.

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这种治疗可以帮助保持体态，使肌肉变结实、皮肤紧致。

This treatment helps tone the body, firm up muscles and tighten the skin.

《柯林斯英汉双解大词典》

The same way cells that form the limb become more like muscle cells or skin cells, or the structures that become the limb.

同样的,形成上肢的细胞,变得越来越像肌肉或皮肤细胞,或者上肢的其他结构

耶鲁公开课 - 生物医学工程探索课程节选

It's this lump of flesh and bone and muscle that's sitting here in front of you and that each one of you sort of drags around with you.

它是由一块块皮肤,骨骼和肌肉组成,它正坐在你们的面前,并且,你们中的每一个人都被这些肉体所牵制

耶鲁公开课 - 死亡课程节选