This makes them a great example of a food that provides only empty calories.
这使得它们成为了一种只提供热量的食物的很好例子。
Sugar is empty calories, in it's basic form it contains little nutritional value.
糖只是纯粹的卡路里,在基本形式中它包含很少的营养价值。
Because sodas are full of sugar and empty calories, it takes a long time to burn them off.
汽水里面全是糖没有白卡路里,人体需要很长时间才能将其消耗。
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