即使在我们关掉了床头灯深深地进入梦乡时，电仍在为我们工作：帮我们开动电冰箱，把水加热，或使室内空调机继续运转。
Even when we turn off the beside lamp and are fast asleep, electricity is working for us, driving our refrigerators, heating our water, or keeping our rooms air-conditioned.
即使在我们关掉了床头灯深深地进入梦乡时，电仍在为我们工作：帮我们开动电冰箱，把水加热，或使室内空调机继续运转。
Even when we turn off the beside lamp and are fast asleep, electricity is working for us, driving our refrigerators, heating our water, or keeping our rooms air-conditioned.
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