Very few foods are natural sources of this nutrient.

很少有食物是这种营养素的天然来源。

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Scientists are calling this nutrient awareness the brain’s sixth sense for calories.

科学家们管这种营养察觉能力称为大脑的第六感觉。

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Many of the wild greens they ate are lost to us now, but we still have a variety of calcium-rich veggies plus wonderful plant-based foods that are fortified with this nutrient.

他们食用的许多野生蔬菜现在已经绝迹，但我们还是有多种富钙的蔬菜和美味的钙强化素食品。

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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

This nutrient enrichment damages aquatic life there too, and degrades drinking water.

ECONOMIST: Nutrient pollution

The discovery of how to isolate this nutrient that helps the body absorb calcium led to a Nobel Prize in chemistry in 1928.

FORBES: Magazine Article

As a result, they got paler, improving the capacity of their skin to generate this crucial nutrient just from scarce sunlight.

WSJ: Matt Ridley on Human Culture's Effect on Genes | Mind & Matter