VOA慢速英语:Things May Be Changing Soon For Some Crops In Africa

短语讲解：

1. They are hoping to use genetic information from 100 African plants and trees that researchers have largely ignored, but food scientists say these crops have lots of possibilities.

lots of 许多
例句：Hyundai still has lots of political capital.
现代集团仍有许多政治资本。

2. Mr Shapiro says he began thinking about ways to improve nutrition at the local level after seeing how poor nutrition affects children in Africa and India.

think about 考虑…; 捉摸…
例句：I don't think about it much.
我不想过多地考虑这些。

3. He says hundreds of African plants have been ignored because they are not economically important in international trade.

hundred of 数以百计,许多
例句：At the outset a hundred of us crowded into a thatched building. 
开始我们一百个人挤在一间草顶的房子里。