单词:physiologically acidic fertilizer
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[00:06.24]You know, you dont need to hear this. 嗯我觉得你不用在乎这个 [00:07.28]- What is it? - Okay. -是什么? -好吧 [00:09.60]As a last resort, assume a cannonball position 最后一招,维持加农炮姿势 [00:12.96]covering your
Unit 7 Section A Pre-reading Activities First Listening Please listen to a short passage carefully and prepare to answer some questions. Second Listening Listen to the tape again. Then answer the foll
Agriculture Report - UN Says Food Production Must Rise; How 'Fertilizer Trees' Could Help 农业报道 - 联合国称到2050年粮食产量必须增加7成 This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道
Changing Arctic Conditions Threaten Polar Bears 北极环境变化威胁北极熊生存空间 American researchers spent two summers studying polar bears on the Arctic sea ice. They found that sea ice, where polar bears spend much of their lives, is
This is Scientific American's 60 Second Science. I'm Steve Mirsky, got a minute? The Meridiana Planum region of Mars once had water that was really soft and highly acidic, conditions in incredibly hostile to any life forms that we know about. So any
Todd: Well actually speaking of extreme sports, we're talking about extreme sports, have you heard about ultra marathon? Julia: I'm reading a book right now that's about a tribe of ultra runners in Mexico and I thing it's gonna come on to the subject
Fish raised in the more acidic seawater that would result from higher carbon dioxide levels forget to flee predators. More carbon dioxide emissions lead to more CO2 dissolving in the oceans, which turns the water acidic. Those sour seas slow the grow
More carbon dioxide emissions lead to more CO2 dissolving in the oceans, which turns the water acidic. Those sour seas slow the growth of corals. And it turns out acidic seawater also makes clownfish and damselfish suicidally bold and reckless, accor
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Landfills produce methanewhich can be valuable as an energy source. But scientists haven't known why landfills make so much methane. The solid waste in
This is Scientific American 60 second Science, I am Sophie Bushwick, got a minute~ Theyre called hydogels: Jell-O-like materials made of networks of long-chain molecules in water. And theyre as flexible as living tissue. But hydrogels could not recov
Almost all animals with a spine yawn.Penguins do it as a mating ritual,snakes do it to realign their jaws after a meal and guinea pigs do it to display anger,So why exactly do humans yawn?And is yawning actually contagious? 几乎所有的有脊椎动物
I'm Jessi, and this is my suitcase. But before I show you what I've got inside, I'm going to make a very public confession, and that is, I'm outfit-obsessed. I love finding, wearing, and more recently, photographing and blogging a different, colorful
如果你爱喝葡萄酒或经常遇到要喝葡萄酒的场合,学几句高大上的品酒英语尤其重要。 品葡萄酒本节课的重点词汇: 1) wine tasting 葡萄酒品酒会2) tasting flight 品酒序列3) Cabernet Sauvignon 赤霞珠4)
This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway
Amygdala's Acidic Aspiration Answer A study in the journal Cell shows that the buildup of carbon dioxide when we stop breathing causes a pH change that signals proteins in the brain to force us to inhale. Karen Hopkin reports. Maybe its happened to y
GUANGZHOU, Dec. 27 (Xinhua) -- Fertilizer contaminated with used batteries and other toxic waste has resulted in another food safety scandal in China, the latest in a long string of such incidents. Jiang Xicheng, chairman of the environmental protect
Ever had the feeling that your partner has the power to read your mind? Well you may not be imagining it。 Scientists have found that some couples are so in tune that their brains begin to work in sync。 In research that points to the existence of
So the second question really was, you know, so we know that our minds change our bodies, 第二个问题就是,我们知道心理状态会影响我们的身体, but is it also true that our bodies change our minds? 那身体是否能影响心理呢
Don comes up with another entrepreneurial venture, but Yael straightens him out just in time. [Thunder] Y: What are you doing outside, Don? It's about to rain. D: I'm setting up bottles. Y: I can see that. But why? D: For my new business venture: bot