cupbrachial

例句：

1. 1.The doctor examined the patient's cupbrachial area for signs of infection.
   医生检查了病人的手部区域，以寻找感染的迹象。
2. 2. The scientist used a microscope to examine the cupbrachial tissue of the sample.
   科学家使用显微镜检查样本的手部组织。
3. 3. During the race, the runners had to grip their cupsbrachial muscles tightly to maintain their balance.
   在比赛中，运动员必须紧握他们的手部肌肉来保持平衡。