electric working of points

例句：

1. 1. The electric light bulb flickers in the dark.
   在黑暗中，电灯泡闪烁不定。
2. 2. Electricity is a fundamental aspect of modern life.
   电力是现代生活的基本要素。
3. 3. The new car has an electric engine.
   这款新车配备了电动引擎。