It's because food is almost always within reach, and they don't have to store up a lot of food energy for the harsh winters.

这是因为食物几乎总是触手可及的，而且它们不需要为严酷的冬天储存大量的能量。

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Possessing approximately 40% less food energy (calories), Xylitol is a low-calorie alternative to refined and artificial sugars.

对比起提炼的和人工合成的糖类，木糖醇是一种低卡路里的代替品，它减少食物中差不多40%的能量。

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Lastly, because of fiber's low digestibility, it provides little or no food energy and does not significantly impact glucose and insulin levels.

由于纤维不易消化，它产生很少或不产生食物能量，也不会明显影响葡萄糖和胰岛素浓度。 酮症包括脂类分解——脂肪细胞内储存的某些脂质在其中转化为血液。

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The plant is a major source of food energy and a major food security crop.

VOA: special.2010.06.08

With the recent spike in food prices around the world that you've all heard of because of rising energy costs.

大家都听说了,由于能源价格上升,导致了全球食品价格的飞涨

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Okay, so the body has a way of metabolizing and making use of the food such that you can get energy or nutrients from it.

对的,身体可以代谢并利用食品,从中获取能量和营养

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Meanwhile, gains in energy food and energy prices pushed wholesale price inflation.

FORBES: Magazine Article

In Poland, food accounts for 24% of consumer price calculations and energy contributes 15%, compared with food and energy representing 8% and 9% in the U.S. measure of consumer prices.

FORBES: Analyst: Nation's Poor Saw Twice The CPI Rise Last Month

The 30-strong female team are to move to new offices, where the likeable Trinny promises Friday lunchtime yoga and a food bar that offers energy food as well as food that is good for PMT.

BBC: Ready2 make millions