And it would,you'd get a clear blister-like region, it would turn pustular.

你会看到一个透明的像水泡一样的地方,它会变成脓疱

耶鲁公开课 - 生物医学工程探索课程节选

These are very deep lesions that go not just on the surface of your skin like a blister would, but down into the dermis or deeper layers of the skins, as well.

这些伤非常深,它们不仅像水泡那样存在于皮肤表面,还深入到真皮层或者皮下更深的地方

耶鲁公开课 - 生物医学工程探索课程节选