感觉好像有一些小水珠在你皮肤下。

It probably feels like a little glob of Jello under your skin.

youdao

请在你皮肤上擦这种油。

Rub this oil on your skin.

youdao

你伸手向下，感到什么东西在你皮肤上移动。

You reach down to touch, and feel something moving on your skin.

youdao

And so you can imagine that even in its— with all of this activity on your skin, even at its most--least serious level, it's a terrible disease.

你可以想象这些,即使在,伴随着皮肤上的任何运动,即使是最轻微的活动,也会带来严重的问题

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

When you would take the fluid from the cow, and you would inject it underneath the skin of a person you wanted to protect, then at that site where you injected it, you would get a lesion that looked like a smallpox or cowpox lesion.

当你从奶牛上得到脓液,并把脓液注射到想受到保护的,人的皮肤下面,然后在你注射的地方,你会看到像天花或者牛痘一样的病变

耶鲁公开课 - 生物医学工程探索课程节选