Do not store water containers in direct sunlight.

不要直接将储存水的容器放在太阳底下。

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Then, place in a tight-sealing container; and store in a cool, dry spot away from sunlight.

然后，将面粉存放与密封容器中，放置在凉爽、干燥、远离阳光的地方。

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For photovoltaic (PV) cells, which convert sunlight directly to electricity, this is especially difficult to overcome, because electricity is difficult to store.

对于直接将太阳光转换为电能的光伏电池来说，这是特别难以克服的困难，因为电力很难储存。

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During the day, the lamps store energy from the intense desert sunlight in batteries large enough to keep them lit from dusk to dawn.

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The basic idea, as is done here, of using sunlight through solar PV to electrolyse water, store the hydrogen then, when the power is required, reverse the process.

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