如果你能止血并使伤口保持洁净以防止感染，你就已完成了你的份内事；接下来将由身体的自然功能接手。
If you can stop the bleeding and keep the wound clean to prevent infection, you've done your part; nature will take over from there.
血纤维蛋白原和凝血酶，自身手创伤时使血液凝固以堵塞血管破口，防止血液流失过多。
Fibrinogen and thrombin may concrete blood to jam the crevasses of blood vessels for avoiding excessive loss of blood.
这种唾液中含有多种蛋白质，可以阻止血液凝固并使血液流进蚊子的口中。
The saliva contains various proteins that prevent the blood from clotting, as well as proteins that keep the blood flowing into the mosquito's mouth.
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