Here I paused in my fiction to shield my eyes and stanch the arrow-straight tracks clawed down my cheek.

飞箭在我脸上笔直地犁出了一条伤口，我停止了幻想,遮住眼睛，赶忙去止血。

耶鲁公开课 - 1945年后的美国小说课程节选

Some form what are called megakaryocytes which become platelets, which are responsible for clotting, for forming a barrier if your circulatory system gets injured so you don't bleed.

还有一些类型的细胞称为巨核细胞,生成有凝血作用的血小板,在你的循环系统受损时形成止血屏障

耶鲁公开课 - 生物医学工程探索课程节选