They can not only give you empty calories, but will dehydrate you.

他们不仅可以给你空热量，但会脱水你。

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。

The calories stay roughly the same and you will feel like you are getting some junk, when in fact, you are not overloading yourself with as many empty calories.

其热量大致相同，你会觉得你吃的好像就是一些垃圾食品，而实际上，你没有过量摄入“垃圾”热量。

These particular types of carbs lend a quick energy boost but are nothing but empty calories.

这些特定类型的碳水化合物提供能量的快速提升,但只是空洞的热量.