static system

例句：

1. 1.The room was filled with static electricity.
   房间里充满了静电。
2. 2.The car's engine is static, so it won't start.
   这辆车的引擎是静止的，所以不会启动。
3. 3.The old radio had a lot of static in the signal.
   旧收音机的信号中有大量静电。