They are racing against time to restore power and cooling systems to the six reactors at Fukushima Daiichi and try to avert the biggest nuclear catastrophe since Chernobyl in 1986.

他们正在和时间赛跑来恢复在福岛的6个核反应堆的电力和冷却系统，以试图避免自1986年切尔诺贝利以来最大的核灾难。

youdao

The last thing the people of Japan need after the tragedy of this earthquake and tsunami is a nuclear catastrophe.

日本人民在尽力海啸和地震这样巨大的悲剧之后，可能还要面临最终的核灾难。

youdao

As the rest of the world waits to see if Japan can avert a nuclear catastrophe, a small band of experts is putting their lives at risk to prevent the disaster.

正当世界的其他人等待着看日本人是否能避免核灾难时，一小部分专家正将他们的生命置于危险之下以阻止灾难。

youdao

"As a human being and particularly as a citizen of the only country ever to suffer such a nuclear catastrophe, I believe with all my heart and soul that these horrific weapons must be eliminated."

VOA: standard.2010.08.06

The plant has stopped operating amid serious damage and fears of a far greater nuclear catastrophe.

FORBES: In Tokyo, Shortages And Fear Now Abound

Engineers are racing to avert a nuclear catastrophe at Fukushima Daiichi, badly damaged by Friday's quake and tsunami.

BBC: Japan earthquake: Anger over Fukushima evacuation plan

The market had basically held true to its news-driven moniker by falling on bad news relating to the risk of a nuclear catastrophe and then rising when those worries abated in the afternoon.

FORBES: New Wall Street Term for 2011: De-Risking