Japan has been trying to bring its nuclear crisis under control, but the spread of radiation has raised concerns about the safety of the nuclear energy.
日本一直在努力控制核危机，但是核辐射的蔓延已经引起了人们对核安全的担忧。
2
The scientist most likely to understand the safety of a nuclear reactor, for example, is a nuclear engineer who declares that a reactor is unsafe.
例如，最有可能理解核反应堆安全性的科学家是宣称反应堆不安全的核工程师。
3
The nuclear industry was required to prove that every operational and safety aspect had been fully researched.