指节

例句：

1. 1. He had to use his elbow to break the ice on the pond.
   他不得不用肘部打破池塘上的冰。
2. 2. The dancer's fingers were moving gracefully as she executed a complex routine.
   舞者在执行一个复杂的动作时，手指灵活地移动着。
3. 3. She pointed at the map with her index finger, indicating where she wanted to go.
   她用手指的食指指着地图，指出她想去的地方。