广播电视英语短句 第 4 课：降低浇灌量的农作物-3

Tommy Carter says the soybeans they grow are for the most part genetically similar. Tommy Carter 说他们种的大豆和中国的大豆的部分基因相似。

More differences, or diversification could better protect crops against climate changes that can reduce production. 更多的区别和多样性可以使农作物更好的应对那些使其减产的气候变化。

Those changes include water shortages which could increase from global warming. 这种变化包括由于气候变暖而加剧的水资源短缺。

The Agriculture Department has a soybean germplasm collection, a collection of genetic material passed from one generation to the next. 农业部有一代接一代传下来的关于大豆的种质资源收集册和一本关于遗传物质的集册。

Members of Team Drought studied more than two thousand five hundred examples from the collection. 抗旱小组的成员对这本集册里的两千五百多种样本进行了研究。