arm braces

例句：

1. 1. He used an armbrace to help him walk after hisshoulder surgery.
   他在肩膀手术后使用了臂托来帮助他走路。
2. 2. The doctor advised thepatient to wear a brace while recovering from an injury.
   医生建议病人在康复期间佩戴护具。
3. 3. Theweightlifter used abrace to protect her injuredarm during the competition.
   举重运动员在比赛中使用护具保护受伤的手臂。