Animal dung enriches the soil by providing nutrients for plant growth.

动的粪便通过向土壤提供营养来促进植长。

Like everything in nutrition, moderation is key.

就像所有营养质一样，适度是关键。

Those bacteria snack on nutrients that float down from the surface—so-called marine snow.

这些细菌以从海面被称为海洋雪的营养为食。

Added sugars are a great source of energy, but provide no other nutrients.

添加糖是能量的一大来源，但却不含别的营养。

The current also brings nutrients from the deep.

洋流也带来了深海的营养质。

The insects offer a good source of proteins and nutrients.

这种昆虫含有大量蛋白质和营养。

The lymphatic system can also help get nutrients to the tissues.

淋巴系统也能够帮助营养质进入组织。

Pumpkins are a great source of both.

而南瓜中富含这两种营养质。

He is fed liquid nutrition through a tube in his stomach.

他通过胃里的导管摄入液体营养质。

This leads to an increase in nutrient concentrations in the water.

这导致了水中营养质浓度的增加。

As it breaks down, nutrients will work their way into the soil.

当它分解时，营养质将进入土壤。

So spray a nutrient and (inaudible) into a very fine fog.

通过制造薄雾来给农作喷洒营养质。

But how to provide these nutrients?

但是如何提供这些营养呢？

It's also important for digesting nutrients and fighting infections.

盐对消化营养质和抵抗感染也很重要。

The nutrients are food for algae.

这些营养是藻类的食。

Your brain needs all the right nutrients to keep functioning correctly.

你的大脑需要所有的正确的营养来保持功能正常。

Like any living thing, plants need a bunch of different nutrients to grow.

植和其它一样也需要大量不同的营养质。

But it's also dumping huge amounts of nutrients and minerals into Arctic waters.

但同时大量营养质及矿也会流入北极海域。

These beetles are rich in protein, fat and other nutrients.

这些甲虫富含蛋白质、脂肪和其他营养质。

Its job is to deliver nutrients and water throughout the body.

它的作用就是输送水和营养质到全身各个部位。