慢速英语:Improved Seeds Could Help Africa Feed Itself

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短语讲解：

1. Edward Mabaya grew up in Zimbabwe.

grow up 成长
例句：A little trade began to grow up.
小生意开始兴隆起来。

2. At least today you have an average of about six to eight seed companies in place.

at least 至少
例句：In fact it requires at least n generators.
事实上，它至少要有n个元素。

3. But he says if seed companies and farmers in Africa continue to use the same agricultural technology the rest of the world uses, Africa will someday be able to feed itself.

be albe to 能够
例句：Mould you be able to describe a typical day on the job?
您能描述一下这个职位的日常工作内容吗？