Once electricity is lost, the irradiated nuclear fuel could begin to melt down.

一旦电力用完，辐照核燃料会逐渐融化。

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Finally, once electricity from the wall could be counted on, we began to get cool things like radios and TVS.

终于，当墙上的电源很可靠时，我们开始拥有很酷的东西，比如说收音机和电视。

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The polymers were covered with a thin aluminum coating, but once fed electricity, they began to glow so brightly that light shone through the metal.

FORBES: Seeing the Light

Once the electricity price is agreed, the French energy giant will need to confirm its intention to build the two reactors, known as Hinkley Point C.

BBC: MP Liam Fox concerned over Hinkley Point pylons

There is running water once a week, electricity for two hours a day.

ECONOMIST: Tajikistan