肱

例句：

1. 1. He stretched out his arm to catch the ball.
   他伸出手臂去接球。
2. 2. The doctor examined her arm and found no injuries.
   医生检查了她的手臂，发现没有受伤。
3. 3. She lifted the heavy box with her strong arms.
   她用强壮的双臂举起了沉重的箱子。