Given the crucial need to cool temperatures in the spent fuel pool and other parts of the reactors, "I think it is a battle against time", Mr Amano said.

鉴于目前亟需冷却废燃料棒储存池和反应堆其它部分，“我认为这是一场与时间赛跑的战斗，”天野之弥表示。

youdao

We also need to cool the reactor and the spent fuel in the spent fuel pool but that basically means you wanna maintain the coolant inventory which means water in the primary system.

我们也需要冷却反应堆，还有乏燃料,在乏燃料池里，但是那基本上意味着,你们想要维持冷却剂存货,也就是在主系统中的水。

youdao

All of the rods from the fuel core were put into the spent fuel pool above the reactor at that time.

FORBES: New Video From Fukushima Shows Containment Vessel Dome Amid Debris

Engineers and workers so far have managed to stave off a complete meltdown in Fukushima Daiichi's reactors 1-3 and in the spent fuel pool of unit 4.

CNN: STORY HIGHLIGHTS

According to a report by the Congressional Research Service, there are more fuel rods in the Unit 4 fuel pool than at any of the five other reactors.

FORBES: New Video From Fukushima Shows Containment Vessel Dome Amid Debris