Your body USES carbohydrates as its main fuel source.
你的身体将碳水化合物作为其主要的燃料来源。
What America needs is an environmentally friendly, logistically feasible, and economically responsible alternative fuel source.
美国需要的是一种环保的,现实可行的,合理价位的可替换燃料能源。
More likely the fuel source will be electricity or hydrogen.
燃料很可能会使用电力或氢。
More likely the fuel source will be electricity or hydrogen.
燃料很可能会使用电力或氢。
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