单词：cotton spotted bollworm
单词：cotton spotted bollworm 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
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
有两个贫苦的樵夫靠上山捡柴糊口，有一天，他们在山里发现两大包棉花，两人喜出望外。棉花轻且贵，当下俩人各背了一包棉花赶路回家。 There once were two poor woodsmen who made a living by collecti
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