单词：soil loss amount
单词：soil loss amount 相关文章
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
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 - Building a Windbreak to Protect Crops 农业报道 - 营造防风林保护庄稼 This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 Soil conservation methods help farmers protect
2011年VOA慢速英语(七)月
AGRICULTURE REPORT - Cover Crops By Mario Ritter Broadcast: Tuesday, March 23, 2004 This is Steve Ember with the VOA Special English Agriculture Report. The idea to grow a crop that improves the land
农业与发展
WASHINGTON, Nov. 14 (Xinhua) -- Nearly a fifth of all Americans 12 years or older have hearing loss so severe that it may make communication difficult, according to a new study led by Johns Hopkins University researchers and published Monday in the A
英语新闻
新托福有许多自己的特点，新托福阅读的一个重要特点之一就是同义改写(主要针对动词和形容词)。同义改写对托福阅读考试有哪些影响值得我们注意呢? 首先，同义改写会影响到定位的准确与
托福英语