广播电视英语短句 第 225 课：灌溉系统-1

A new study in West Africa shows how farm irrigation systems powered by the sun can produce more food and money for villagers. 西非一项新的研究显示，太阳驱动的农场灌溉系统是如何帮助村民生产更多的粮食，挣更多的钱的。

The study in Benin found that solar-powered pumps are effective in supplying water, especially during the long dry season （旱期、枯水季节）. 在贝宁，研究发现太阳能泵在供水方面非常有效，特别是在长期的干旱期。

Sub-Saharan Africa is the part of the world with the least food security. 撒哈拉以南非洲是全球食物保障最贫乏的一个地区。

The United Nations Food and Agriculture Organization estimates that more than one billion of the world's people faced hunger last year. 联合国粮食农业组织估计去年全球超过10亿面临饥饿。

Around two hundred sixty-five million of them live south of the Sahara Desert. 撒哈拉沙漠就站大约265，000万人。