natural uranium reactor

例句：

1. 1. The design of the natural uranium reactor is highly complex andrequires a lot of technical expertise.
   天然铀反应堆的设计非常复杂，需要大量的技术专长。
2. 2. The constructionof the natural uranium reactor has been completedsuccessfully.
   天然铀反应堆的建设已经成功完成。
3. 3. The natural uranium reactoris an important source of energy for nuclearpower plants.
   天然铀反应堆是核电站的重要能源来源。