We eat fish, meat and beans because the nutrient in them is good for our muscles.

我们吃鱼、肉和豆类，因为它们中的营养物质对我们的肌肉有好处。

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Along with nitrogen and iron, phosphorous is a key limiting nutrient in the ocean.

磷和氮、铁都是海洋有限的重要营养元素。

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That's why some researchers are now encouraging folks to get the nutrient in their diet instead.

这就是为什么如今一些研究人员鼓励人们从饮食中获取营养。

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A recent policy discussion in the journal Science compared the nutrient balances of different agriculture systems.

VOA: special.2009.07.28

And if food is anything you eat, it gives you a nutrient, then basically everything satisfies the criteria for food; not everything in the world, but most things would.

若不论吃什么,只要提供营养就是食物,那基本上没有什么不满足食物的定义,倒不是说一切东西,至少绝大部分都满足

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

This particular website has this free nutrient analysis On the website people may choose to get involved in and there may be charges for those things, I don't really know, but there may be and then they may ask you for identifying information, but it's your option to do that.

网站的营养分析服务,在该网站,人们可以选择使用其他服务,当然,那些可能是收费的,我不是很确定,可能有收费服务,并要求验证个人信息,但这由你自己选择

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

In this model framework, existing ecological and biogeochemistry concepts are extended with a balanced approach for assessing nutrient and sediment delivery on the one hand, and nutrient in-stream retention on the other hand.

UNESCO: Intergovernmental Oceanographic Commission

They have also resulted in severe environmental consequences globally due to nutrient mismanagement, including the great U.S. Dust Bowl of the 1930s, and, more recently, massive plumes of nutrient runoff in areas like the Chesapeake Bay and the Gulf of Mexico, which are creating huge marine dead zones.

FORBES: How a Nutrient Economy Can Save Our Farmers, Our Health and Our Environment

Hydroponics and aeroponics - a type of hydroponics, but rather than growing in nutrient-rich water, grows in the air and the plants get sprayed with nutrients - technology is increasingly being utilised by businesses themselves.

BBC: The technology that's transforming gardening