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

这些细菌以从海面上落下被称为海洋雪的营养物为食。

And other scientists working on the same project, but researching very different habitats on the ocean floor, have found large numbers of species congregating around volcanoes, attracted to them by the warmth and nutrients there.

他科学家也从事同样的研究，但他们研究的海底的一些非常与众不同的栖息地。他们发现有大量生物聚集在海底火山周围，吸引它们过来的那里温暖的海水和丰富的营养物质。

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

动物的粪便通过向土壤提供营养物来促进植物生长。

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

添加量的一大来源，但却不含别的营养物。

Growth, which rarely continues beyond the age of 20, demands calories and nutrients — notably, protein — to feed expanding tissues.

身高增长需要热量和营养——蛋白质一一以满足组织扩展的需求。人在 20 岁以后很少会继续长高了。

But we have a lot of nutrients in that water, a lot of pesticides.

但，水中含有太多的养分，许多杀虫剂。

In temperate forests, the build-up of leaf litter creates rich stores of nutrients.

在温带森林里，落叶形成的腐殖质层可以贮藏养分。

The material will also add nutrients to the soil.

这种材料还给土壤增加营养。

Large trees nourish smaller shaded ones until they are tall enough to reach sunlight, and trees that stay green all year round share nutrients with trees that lose their leaves in winter-helping them through the season.

大树滋养着小树苗，直到它们长得足够高，够接触到阳光为止。常绿的树木会与冬天落叶的树木分享营养，帮助它们度过寒冬。

If waters are not well flushed and sufficiently deep, feeding the caged fish can lead to excessive accumulation of nutrients and wastes, which endangers the balance necessary to sustain wild populations.

如果水域的流动性不好，也不够深，那么鱼笼养鱼会导致营养物质和垃圾富集，危害维持野生种群可持续所需的平衡。

So whole grains, fruits and vegetables, lean protein and just focusing more on like iron, kalium, calcium, all those sorts of nutrients too.

比如全谷物，水果和蔬菜，精益蛋白质，我们也会特别关注像铁、钾、钙，所有这些种类的营养素。

Volcanic ash provides nutrients to nearby soil, making the land fertile.

火山灰为附近的土壤提供养分，使土地肥沃。

It's an important nutrient for the body, but can be harder to break down and digest than other foods.

蛋白质一种对身体很重要的营养素，但相较于他食物，它更难被分解与消化。

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

它的作用就输送水和营养物质到全身各个部位。

In return, the bears' feeding habits nurture the forest. As the bears eat the salmon, they discard the skin and bones in great amounts on the forest floor, which provide vital nutrients.

作为回报，熊的进食习惯也滋养着森林。这些熊在吃鲑鱼的时候，会把大量的富含营养的鱼皮和骨头丢弃在森林地面。

In fact, this past winter saw the highest honeybee colony losses on record but the company BeeFlow thinks they can give bees a boost with a special nutrient packed super food formula they say improves their performance and immune system.

事实上，去年冬天蜜蜂的数量有记录以来最大的，但 BeeFlow 公司认为他们可以用一种特殊的营养丰富的超级食物配方来提高蜜蜂的生产力和免疫系统。

It will just stick to every sand and grain that exists throughout that soil and then form this structure that enables the soil to retain water and nutrients just like a sponge.

它会粘附在土壤中的每一粒沙子和颗粒上，然后形成这种结构，土壤就够像海绵一样保持水分和养分。

All of this gives the small intestines plenty of surface area to absorb nutrients.

皱襞、绒毛、微绒毛极大地增加了小肠消化吸收的表面积。

It contains a lot of nutrients and a lot of minerals, but some researchers are concerned that eating too much of it, especially on a regular basis, could give people too much iodine which can cause health problems of its own.

藻类富有营养物质和矿物质，但一些研究员担心，过度食用长期食用，可会使人摄入过多碘，引发健康问题。

We are rapidly learning about what foods and nutrients should be emphasized in our diets, and how they can enhance our health.

我们正在迅速了解在我们的饮食中应该强调哪些食物和营养素，以及它们如何增进我们的健康。