胳膊

例句：

1. 1. He stretched hisarm out to touch the wall.
   他伸出手臂去触摸墙壁。
2. 2. She held her armup to block the sun's rays.
   她举起手臂挡住太阳光。
3. 3. The manlifted his arm to show his support forthe team.
   那名男子抬起手臂来表示对球队的支持。