While reactor 4 was shut down at the time the earthquake occurred, there is concern there and at the other reactors about the pools containing used or spent uranium fuel rods.

尽管4号反应堆在地震时已经关闭，乏燃料棒的贮存池仍然令人担忧。危机应对的关键仍在于冷却燃料和控制泄漏，要做的工作有很多。

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While reactor 4 was shut down at the time the earthquake occurred, there is concern there and at the other reactors about the pools containing used or spent uranium fuel rods.

尽管4号反应堆在地震时已经关闭，乏燃料棒的贮存池仍然令人担忧。危机应对的关键仍在于冷却燃料和控制泄漏，要做的工作有很多。

youdao