Disabling the plutonium reactor is an achievement, and we do gain badly needed intelligence by simply being there on the ground to inspect.

销毁钚反应堆是一项成就，而通过有人在实地进行检查，我们确实得到了迫切需要的情报。

youdao

It remains unclear what is happening with the Number-3 reactor, which is fueled by a mix of uranium and plutonium.

现在还不清楚3号反应堆发生了什么情况，3号反应堆的燃料是混合的铀和钚。

youdao

New types of reactors were designed, including the Fast Breeder reactor powered by plutonium and cooled by liquid sodium.

新型的反应堆被设计出来，包括由钚提供能量，液态钠参与冷却的快中子增殖反应堆。

youdao

The action means the Yongbyon reactor complex, where the plutonium for North Korea's presumed small arsenal of nuclear weapons was produced, will be without international monitoring for the first time in nearly two years.

VOA: standard.2009.04.15

On Tuesday, it announced it would restart a plutonium reactor it had shut down in 2007.

NPR: SKorea: North Korea Moved Missile To East Coast

And the fast-breeder type of nuclear reactor in which plutonium was used as fuel is no longer economic.

ECONOMIST: The nuclear industry

Its announcement Tuesday that it would restart a plutonium reactor indicated that it intends to produce more nuclear weapons material.

NPR: SKorea: North Korea Moved Missile To East Coast