natural coagulation

例句：

1. 1. The blood naturally coagulates when it comes into contact with theglass.
   血液接触到玻璃时自然凝固。
2. 2. Theprocess of natural coagulation is essentialfor blood clotting.
   自然凝固过程对于血液凝固至关重要。
3. 3. In some cases, naturalcoagulation can be used to treatbleeding disorders.
   在某些情况下，自然凝固可以用于治疗出血障碍。