电机是电动汽车和插电式混合动力汽车的供能装置，因此其重要性毋庸置疑。

Of critical importance to the introduction and commercialization of EVs and PHEVs are the electric motors which power them.

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如果雨水损害了手机、相机、或其他电池供能的装置——或者更糟，把这些东西掉到厕所里——事后通常是相当麻烦的。

If you do manage to leave your cell phone, camera, or other battery-powered gear out in the rain - or worse, drop them in a toilet - the prognosis is usually pretty grim.

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接下来，可以考虑一下可再生能源，比如太阳能电力系统，小巧的风能系统以及地热装置来给住宅供能。

Next, consider renewable energy sources like solar electric systems, compact wind turbines and geothermal heat pumps to help power your home.

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