单词:water-extractable acid of soil
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Broadcast: August 4, 2003 This is Bill White with the VOA Special English Development Report. Safe drinking water has always been rare and valuable. Throughout the world, drinking water has to be stor
Water on the Moon Studies in the journal Science report that instruments on three different spacecraft have found evidence for widespread trace amounts of water on the moon. Karen Hopkin reports For all you space buffs who like to keep track of wher
Agriculture Report - Getting to the Root of How to Water Trees This is the VOA Special English Agriculture Report. Some trees can survive a long time without water. Think of trees that grow in the desert. But other trees may need more moisture than t
[00:00.00] Unit 6 Plants [00:04.60]A The chlidren are in a science lesson. [00:10.95]Look,listen and say. [00:15.31]1 We want to grow some tomatoes. [00:21.66]What does our plant need? [00:25.50]It needs a small pot of soil. [00:30.22]It needs a lot
六级作文在备考过程中既要多记忆一些词汇,又要多找话题,多练习自己构思作文的能力,下面就跟小编一起学习六级词汇,提升自己的作文水平吧! 一、自然、生态、环境 1.好词 (1)En
Voice 1 Thank you for joining us for todays Spotlight. Im Ruby Jones. Voice 2 And Im Joshua Leo. Voice 1 Some people believe that the number thirteen brings bad luck. But instead, today, the number thirteen is going to bring you health! Voice 2 On to
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Part 4 Air Pollution 空气污染 Air is the ocean we breathe. Air supplies us with oxygen which is essential for our bodies to live. Air is 99.9% nitrogen, oxygen, water vapor and inert gases. Human activities ca n release substances into the air, some
But there was something even better. Odyssey may not just have found ice. There may also be liquid water, and that means, there could be living creatures there too. Right now, there might be liquid wa
F Fangchinoline 防已诺林碱 Farrerol 杜鹃素 Fenugreek P.E 葫芦巴子提取物 Ferulic acid 阿魏酸 Feverfew P.E 小白菊提取物 Fibriuretinin 黄藤素 Flavanols 黄烷醇 Flavonoids 蒲公
G Galanthamine 加兰他明 Gallotannin 五倍子鞣质 Ganodenna Lucidum P.E 灵芝提取物 Gardenoside 栀子甙 Garlic Extract 大蒜油 Garlic P.E 大蒜提取物 Gastrodin 天麻素 Geniposide 京
pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con
This is the VOA Special English Agriculture Report. Soil naturally contains harmless amounts of lead, along with other metals. Because of pollution, however, the amounts are higher the closer you get to cities and towns. But experts say this should
Voice 1 Welcome to Spotlight. Im Liz Waid. Voice 2 And Im Adam Navis. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 In the last fifteen years, farmers
文本: There are 150 tonnes of fish in this one haul. It used to take a fishing vessel one whole year to catch this many fish. These are mostly yellow fin tuna, plus some skip jack. As they're slower breeders than skip jack, many yellow fin are ca
AGRICULTURE REPORT - Compost: an Organic Way to Better Soil and Crops By Gary Garriott Broadcast: Tuesday, July 05, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Many farmers im
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
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
1.tomato juice 番茄汁 Tomato juice contains the antioxidant lycopene.Scientific studies have suggested that lycopene consumption may protect against prostate cancer, breast cancer, atherosclerosis, and coronary artery disease.Epidemiological resea