steapsinogen

例句：

1. 1. The doctor prescribed aspirin to reduce the risk of heart attack.
   医生开了阿司匹林来降低心脏病发作的风险。
2. 2. Blood clotting is essential for wound healing.
   血液凝固对于伤口愈合至关重要。
3. 3. The patient was given medication to prevent blood clots.
   患者被开了药来防止血栓形成。