如果你在炎热的气候里感到舒适凉爽，那么你家的空调器可能也是靠燃油发电机工作的。
If you are comfortably cool in a tropical climate, your air conditioning unit may also depend on oil-fed generators.
这种焦虑在美国能源部尤其严重，能源部对用于生产风力发电机涡轮、电动汽车、太阳能电池和节能灯的特殊材料的缺少感到特别揪心。
In particular, the Department of Energy frets about certain metals used in manufacturing wind turbines, electric vehicles, solar cells and energy-efficient lighting.
房间里会比外面冷空气暖和吗？这是石油或由燃油发电机发出来的电使你感到舒适温暖。
Is the room warmer than the cold air outside? Oil, or electricity from oil-fed generators may be keeping you comfortably warm.
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