许多国家依靠原子能来满足其电力的很大一部分。

Many countries rely on ___atomic power for a significant portion of their electricity.

关于原子能安全性的辩论仍然是一个全球性问题。

The debate over the safety of ___atomic energy continues to be a global issue.

现代原子反应堆被设计得更高效、更安全。

Modern ___atomic reactors are designed to be more efficient and secure.