单词：mobile soil colloids
单词：mobile soil colloids 相关文章
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
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
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)
Consider this: a mobile phone with applications to detect cancer and tuberculosis, control sugar levels for diabetics and monitor vital signs. The champions of mobile health or mhealth technology are promising healthcare delivered through digital dev
VOA标准英语2010年(十二)月
Pioneering Soil Researcher Wins Top Environment Prize Biologist Diana Wall went to the ends of the earth - the seemingly lifeless Antarctic desert - to study the life in soil. What soil life does for us, it provides us with many benefits that we don'
VOA标准英语2013年(四月)
How important to you is your mobile phone? Do you really need it? In the 1980s there were no mobile phones. People still managed to phone their family and friends and do business. Of course, there were more public telephones then. There was a telepho
纯正英语一分钟
By Jessica Berman Washington 04 June 2008 Researchers say a new study of mobile phone records shows people rarely stray from familiar areas. Researchers say the findings could be useful to urban planners addressing problems as varied as traffic fore
VOA标准英语2008年（六月）
By Anjana Pasricha New Delhi 28 October 2007 India's mobile phone market has become the fastest growing in the world, with Indians adding nearly six million new connections every month. As Anjana Pasricha reports from New Delhi, much of the growth is
2007年VOA常速英语（十月）
By Todd Grosshans Washington 06 September 2007 The Apple iPhone The very popular iPhone must be used withthe not so popular cellular network ATT. People using other networks must break their contracts to switch to ATT. That can cost up to $250. But a
2007年VOA标准英语（九月）
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
WASHINGTON, Aug. 31 (Xinhua) -- The Justice Department of the United States on Wednesday filed an antitrust lawsuit to block AT T's acquisition of T-Mobile, Deputy Attorney General James M. Cole said at a press conference. Cole said that four nationw
英语新闻
BEIJING, June 28 (Xinhua) -- China Mobile, the nation's largest mobile telecommunications company, announced on Thursday it would cut its roaming service charges in Britain for the next two months, during which the Olympic Games will be held. Subscri
英语新闻
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
英文摇滚歌曲