shifting arm

例句：

1. 1. The doctor moved hisshifting arm to examine the patient'swound.
   医生移动他的移动手臂来检查病人的伤口。
2. 2. The dancer'sswinging arm gracefully glidedacross the stage.
   舞者优雅地在舞台上移动手臂。
3. 3. The soldier shifted his movingarm to cover the wounded man'shead.
   士兵移动他的移动手臂来遮盖受伤男子的头部。