【1】energy能量;能源?主要来自像使机器工作的电力或者提供热量的煤炭。Oil shortages have brought on an energy crisis.石油短缺已经造成了能源危机。【2】power能源；能量：主要指从燃料源所获得大量电力并操作发光照明供热和机器的能源。Nuclear power is cleaner than coal.核能比煤清洁。Power has been restored to most parts that were hit last night by high winds.大部分昨晚遭大风袭击的地区已恢复供电。【3】source来源;产地：指一切能量能源或者事物的来源地或者产地。Renewable sources of energy must be used where practical.必须在可行的地方使用可再生能源。【4】fuel 燃料，主要指通过燃烧提供热和能量的煤炭，石油以及天然气。?They ran out of fuel. ?他们的燃料用完了。