First, hopefully your blood clots and so that stops you from dying from loss of blood there, but your body tries to heal this wound that's created.

首先,顺利的话血液会形成凝块,使你不至于流血而死,进而身体尝试着去愈合创口

耶鲁公开课 - 生物医学工程探索课程节选

And this fluid eventually starts to leak out and those lesions would heal, but they leave scars in most cases.

这些液体最终会流出来,伤痕也会痊愈,但大部分情况下会留下疤痕

耶鲁公开课 - 生物医学工程探索课程节选