heparin injection

例句：

1. 1. The doctor administered the heparin injection to prevent blood clots.
   医生给病人注射了肝素以预防血栓。
2. 2. After the surgery, she received a heparin injection to help with her recovery.
   手术之后，她接受了肝素注射来帮助恢复。
3. 3. The nurse carefully administered the heparin injection to the patient's arm.
   护士小心翼翼地给病人的手臂注射了肝素。