单词：cotton boll blight
单词：cotton boll blight 相关文章
This is the VOA Special English Agriculture Report. In two thousand eight, scientists reported on a study of cotton grown in six provinces in northern China. The study involved bollworms, a major threat to cotton farmers. It also involved Bt cotton,
2010年VOA慢速英语(五)月
Host: welcome back, now hold the Grande Cappuccino, the coffee chain Starbucks has been forced to close its branch in Beijing's Forbidden City. The company said the decision to close had been congenial, but since the caf opened 7 years ago, it's bec
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This is the VOA Special English Agriculture Report. Cotton plants Bollworms are a traditional threat to cotton crops. Young ones feed on the boll, the part of the cotton plant that contains the seeds. A bacterium known as Bt is able to kill bollworm
VOA慢速英语2008年（十一）月
According to a study published this week in Science, genetically-engineered cotton planted near conventional crops may help protect the regular plants from bugs. The researchers say the finding could potentially protect a range of crops over million
VOA标准英语2008年（九月）
A statue on Main Street in Enterprise, Alabama, features a woman holding a large, black boll weevil above her head. While many U.S. cities have suffered because of the recession, one town in the southern state of Alabama, has fared surprisingly well.
VOA标准英语2010年(八)月
Germany's Boll wins 2012 European table tennis championships COPENHAGEN, Oct. 21(Xinhua) -- Germany's Timo Boll powered his way to victory over Croatia's Tan Ruiwu at the finals of the 2012 European Table Tennis Championships in Herning, central Denm
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