我不得不给我丈夫打电话，他驱车一个小时给我送备用钥匙。

I had to call my husband, who drove an hour to bring me my spare set of keys.

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然而，大约在半小时之后，巨浪冲垮了距震中最近的福岛第一核电站的海堤，并摧毁了主要的备用发电机。

Roughly half an hour later, however, a wall of water breached the sea wall protecting the Fukushima Daiichi plant - one of the closest to the epicentre - and struck the main back-up generators.

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7小时30分钟尽管操作员已将水抽入主回路，但温度仍然很高。减压阀的备用阀门被打开，减少压力。

7 hr 30 min Even after operators pump water into the primary loop, pressure is still high. The PORV 'backup valve is opened to lower the pressure.

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