reactor

例句：

1. 1. The nuclear power station is the heart of our city's energy grid.
   核电站是我们城市能源网格的核心。
2. 2. The scientists are studying the effects of radiation on the environment.
   科学家们正在研究辐射对环境的影响。
3. 3. The reactor was shut down due to safety concerns.
   由于安全担忧，反应堆被关闭了。