从长远看，煤炭、石油等化石能源终将枯竭。
In the long term, fossil fuels such as coal and oil will eventually be exhausted.
随着化石能源的日益枯竭，能源危机再次威胁人类。
Energy crisis is threatening human people with the depletion of fossil energy.
可燃冰的另外一个好处是，它是清洁的化石能源来源。
Another advantage of combustible ice is that it is clean fossil energy sources.
清洁的可再生能源太阳能大有取代传统化石能源的趋势。
Clear and recyclable solar energy has become a trend to replace traditional fossil fuel energy.
美国出现了能源危机，并且这一危机与化石燃料无关。
Theres an energy crisis in America, and it has nothing to do with fossil fuels.
化石燃料可以有替代能源，可食物是没有替代品的。
Unlike fossil fuels, it is difficult to look for alternatives: people have to eat.
目前，我们大部分的能源来自于化石燃料(石油和天然气)。
At the moment, most of our energy comes from fossil fuels (natural gas and oil).
目前，我们大部分的能源来自于化石燃料(石油和天然气)。
At the moment, most of our energy comes from fossil fuels (natural gas and oil).
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