You get sun burn, your skin peels, you lost some items in your body It doesn't really matter.

你被晒伤，脱皮了，你丢失了身体的微粒,但没有关系。

耶鲁公开课 - 死亡课程节选

And this is what's characteristic of smallpox, is that as the virus spreads through your body, it particularly, it particularly affects cells of your skin.

这是天花的特征,当病毒传遍全身时,它特别的,特别地作用于皮肤细胞

耶鲁公开课 - 生物医学工程探索课程节选

But in some cases, that progressions of the disease would start to affect other organs, in addition to your skin, and your body would become overwhelmed with the infection and eventually die.

但在某些情况下,疾病的蔓延,会开始影响其它器官,不仅是皮肤,你的身体在受到感染后全线崩溃,直至死亡

耶鲁公开课 - 生物医学工程探索课程节选

Its role is to move molecules around in the body so that they're available to cells everywhere within your body regardless of how close they are to your skin, and we'll talk about that.

它能将分子输送到身体各处,供体内所有的细胞使用,而无论那些细胞多么靠近体表,我们会讲到这些的

耶鲁公开课 - 生物医学工程探索课程节选