electric bone surgery apparatus

例句：

1. 1.The electric bulb flickered as it was turned on.
   灯泡一打开就闪烁。
2. 2.Electricity is a fundamental force in our world.
   电力是我们世界中的基本力量。
3. 3. The new car has an electric engine.
   这款新车有一个电动引擎。