forearm stand

例句：

1. 1.The patient was placed in a forearm stand to stabilize his arm.
   患者被放置在前臂支架上以稳定他的手臂。
2. 2.The doctor used a forearm stand to help the patient with his mobility.
   医生使用前臂支架帮助患者移动。
3. 3.During surgery, the surgeon used a forearm stand to stabilize the patient's arm.
   在手术期间，外科医生使用前臂支架来稳定患者的手臂。