止血栓

例句：

1. 1. The patient was diagnosed with a blood clot in his leg.
   病人被诊断出腿部有血块。
2. 2.He suffered from a severe case of thrombosis, which required surgery.
   他患有严重的血栓病，需要手术。
3. 3. Doctors recommend regular exercise to prevent thrombosis.
   医生建议定期锻炼以防止血栓。