supine position headrest

例句：

1. 1.The patient was placed in a supine position on the hospital bed.
   病人被安置在病床上，仰卧着。
2. 2.During surgery, the patient is usually kept in a supine position to prevent movement.
   手术期间，患者通常保持仰卧姿势以预防移动。
3. 3. After the operation, she was moved to a more comfortable supine position.
   手术结束后，她被移到了一个更舒适的仰卧姿势。