People throughout Nigeria began using the invention. And it became popular with farmers in other African countries. Mohammed Bah Abba personally financed the first five thousand pot-in-pot systems for his own community and five villages nearby.

In two thousand, the Rolex Watch Company of Switzerland honored him with the Rolex Award for Enterprise. This award recognizes people trying to develop projects aimed at improving human knowledge and well-being.

A committee considers projects in science and medicine, technology, exploration and discovery, the environment and cultural history. Winners receive financial assistance to help develop and extend their projects.

The awards are given every two years. The next awards will be presented in late two thousand twelve. Last year, Rolex

launched

the Young Laureates Program for the younger generation.

And that's the VOA Special English Technology Report, written by Jill Moss. Transcripts, MP3s and podcasts of our reports are at voaspecialenglish.com. We're also on Facebook and Twitter at VOA Learning English. I'm Steve Ember.

词汇注释

Nigeria[nai'dʒiriə]

n. 尼日利亚

preservation[prezə'veiʃən]

n. 保存,贮藏,保护

词形变化

时 态：pre•served, pre•serv•ing, pre•serves

名 词：pre•serv'er

形容词：pre•serv'a•ble