单词：general soil science
单词：general soil science 相关文章
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
60秒科学
AGRICULTURE REPORT - February 5, 2002: Soil Conservation Methods By Gary Garriott 04 Feb 2002, 18:39 UTC This is the VOA Special English Agriculture Report. Soil conservation efforts protect soil from
农业与发展
By Gary Garriott Broadcast: July 29, 2003 This is Bill White with the VOA Special English Agriculture Report. Soil conservation efforts protect soil from wind and water that can blow or wash it away.
VOA2003（下）-农业与经济
This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 Builders in developing countries are often not required to build strong buildings. So, when a disaster strikes, the damage is often widespread. 发展中
2011年VOA慢速英语(三)月
Prince Harry has arrived back in London after his Afganistan adventure This wasn't the day he expected or wanted to come back, but back he had to come and quickly. Along with 170 other soldiers flown back from Afghanistan. Prince Harry's return beca
万花筒2008年
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Faith Lapidus. This week, we will tell about one explanation for many trees dying in the western United States. We will tell about a project to make e
VOA慢速英语2009年（二）月
This is Scientific American 60-Second Science.I am Steve Mersky, got a minute? Phoenix has landed! Phoenix has landed! Welcome to the northern plains of Mars. That was the Jet Propulsion Laboratorys Richard Kornfeld, Sunday at 7:53pm eastern time, ac
Scientific American(五)月
Even the dirt on the ground is likely making climate change worse, a new study finds. Researchers have shown that warmer temperatures are heating the soil, which is causing microbes to become more active and release more of the soils carbon into the
2018年VOA慢速英语(八)月
Mars Rover to Begin Taking Soil Samples This Week Jessica Berman NASA engineers say the Mars rover will begin taking its first soil samples as soon as it departs the landing platform . Engineers say t
VOA2004（上）--各类新闻
This is scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Would America be a better place if more people with science training held elective office? One organization that thinks so is Scientists and Engineers for America, or SEA.
Scientific American(五)月
Also: Reduction in snow hurts Switzerland's winter-sports industry. Transcript of radio broadcast: 07 July 2008 VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Faith Lapidus. Hot weather has returne
VOA慢速英语2008年（七）月
Agriculture Report - Feed the Soil, Feed the Crops This is the VOA Special English Agriculture Report. Studies show farmland in Africa is often lacking in important nutrients. But researchers say a combination of farming methods may help. Since the w
2012年VOA慢速英语(九)月
Feed the Soil, Feed the Crops If African farmers are going to feed the continent, they may first want to feed the soil. Studies show farmland is often depleted of vital nutrients. But researchers say a combination of organic farming methods may help.
VOA标准英语2012年(九月)
In general when we refer to a theory we mean something that's not proven yet. In science it's different, as Yael and Don discuss in this Moment of Science. Y: Today, on A Moment of Science, we clear up the difference between a scientific theory and a
英语时差8，16
A Harvard education is a liberal education, that is, an education conducted in a spirit of free inquiry without concern for vocational utility. Although Harvard is a compre-hensive university, it attaches great importance to liberal arts education an
走进哈佛大学
AGRICULTURE REPORT - Food Prize Goes to Three Who Helped Open Brazil's 'Closed Lands'By Mario Ritter Broadcast: Mon, 19 Jun 2006 16:00:00 UTC I'm Shep O'Neal with the VOA Special English Agriculture R
2006年慢速英语（六）月
AGRICULTURE REPORT - Cover Crops Are Good for the Soil (and the Farmer) By Mario Ritter Broadcast: Tuesday, May 24, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Cover crops are
农业与发展
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
农业与发展
Soil、earth、ground和land都可以表示地面，但这四个词的用法有很大的区别。一起来看看吧! soil意为：泥土、土壤，尤指生长植物的土地。或国家、国土。 The trees have rooted in the rich soil. 树木在肥
英文语法词汇
time will not stand still today is the day, the day of salvation living for more than just synthetic force fed existence this is my disposition I will strive for the truth time will not stand still today is the day, the day of salvation living for mo
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