单词：concentration of a nutrient in the plants
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By Gary Garriott Broadcast: July 22, 2003 This is Robert Covent with the VOA Special English Agriculture Report. Many farmers around the world are 1)composting to improve their soil so they can produc
VOA2003（下）-农业与经济
It's important to get enough sleep. [00:06.27]Section 1 Before you read [00:08.18]PAIRWORK [00:09.20]Discuss the following questions [00:10.97]with your partner. [00:12.50]1.How many hours do you and your partner sleep [00:16.27]every day? [00:17.78]
初中英语山东版九年级（全一册）
Psychologically defined, concentration is the process of centering one's attention over a period of time. In practical application, however, concentration is not as simple to deal successfully with as the definition may imply. For this reason, it is
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By Mario Ritter Broadcast: September 9, 2003 This is Steve Ember with the VOA Special English Agriculture Report. For many people, growing crops on a small piece of land is not a business. For them, a
VOA2003（下）-农业与经济
Turns out youre not just what you eat. Youre when you eat. Because a new study in mice suggests that, in the battle of the bulge, the timing of meals influences the piling on of pounds. In the experiment, researchers gave groups of mice either standa
Scientific American(五)月
真不错，京郊的农家乐竟然还有快乐采摘的活动。看这边，丹尼尔站在梯子上摘苹果，爸爸帮忙扶着，可又会有什么发生呢？一起来看看吧。 Listen Read Learn Daniel: Daddy, I love this Happy Farmhouse. It's really fun. Benjamin: Great. But no talking, now. Don't f
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AS IT IS 2015-03-15 Saharan Dust Feeds Amazon Rainforest 撒哈拉沙漠的尘土吹到亚马逊雨林 Large clouds of dust blowing off the Sahara desert can easily be seen from space. Joseph Prospero is with the University of Miami in the United Sta
2015年VOA慢速英语(三)月
Micronutrient Powders Effective in Reducing Anemia in Children Nutrients taken in powder form are effective in preventing malnutrition in children, according to new findings. Children throughout the developing world suffer from anemia - a shortage of
VOA标准英语2011年(九月)
DAVID GREENE, HOST: The amount of carbon dioxide in the air is rising because of human activity. And NPR's Merrit Kennedy reports that scientists around the world are trying to understand how more CO2 is going to impact the plants we eat. MERRIT KENN
2018年NPR美国国家公共电台6月
DEVELOPMENT REPORT - African Farmland Found to be Severely InfertileBy Jill Moss Broadcast: Monday, April 10, 2006 This is Shep O'Neal with the VOA Special English Development Report. A new report say
2006年慢速英语（四）月
1,supplementary nutrients Vitamin D was mainly rely on two channels， one is to obtain from food， and the other one is on the adoption of solar ultraviolet radiation in human skin synthesis of vitamin D3， it can even in the small intestine to pr
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6 Things to Eat Today for a Smarter Brain TomorrowFood for thoughtas well as memory, spatial perception, verbal skills, and more. First, the not-so-good news in neuroscience: According to a recent study, cognitive decline may set in as early as age 4
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Meet Chang Chen-kai, one of a new generation of high-tech farmers in Taiwan. Rather than toiling in the fields, Chang works in an air-conditioned room at a plant factory operated by Taiwanese biotechnology company, ARWIN. It's one of a growing number
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And there are certain forms of the FOXO gene 我们发现活到90或者100岁人里 that have found to be more frequently present 最常有的 in people who live to be 90 or 100. 某种FOXO基因 And that's the case all over the world, 这是遍布全球
TED演讲科学篇
Companies are increasingly adding vitamins and minerals to juices, sports drinks and bottled water, responding to a growing consumer demand for these products. Even though the amounts of added nutrients in these drinks are typically small, some nutri
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Eating more fruits and vegetables can help control weight, but a new study suggests that it depends on which fruits and vegetables you eat. 多吃水果和蔬菜有助于控制体重，但一项新研究表明，这取决于你选择了哪些水果和蔬
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1 Compared with conventional beef, grass-fed beef is higher in this health-promoting nutrient, which gives its fat a yellow color: 1、与传统牛肉相比，草饲牛肉中某种有益健康的营养素含量更高，并让脂肪呈现黄色，这种
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Can you imagine a world where more than half of our common plant species and a third of our known animals disappear from sight? That's the scenario suggested by new research on the impact of climate change. An international team of researchers looked
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Meet Chang Chen-kai, one of a new generation of high-tech farmers in Taiwan. Rather than toiling in the fields, Chang works in an air-conditioned room at a plant factory operated by Taiwanese biotechnology company, ARWIN. It's one of a growing number
2015CRI中国国际广播电台