在讲到糖时，我们可能会涉及几种不同的化合物，即使以茶匙做量比，他们所含的热量是一样的。

There are a few different chemicals we may be referring to when we talk about sugar, although teaspoon-for-teaspoon their calorie content is virtually the same.

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这些结果说明饲料中氮含量影响幼虫对糖的吸收，高龄幼虫对糖的需要量增加而对氮的需要则较稳定，饲料中糖比氮更重要。

These results indicated that the nitrogen and sugar contents in diets influence their absorption and utilization by the larvae, and sugar is more important than nitrogen for older larvae.

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