Culture and Discovery

What's behind GM foods?

作者：21ST

解密转基因食品。

词数 429 建议阅读时间 7分钟测试见7版

IN the past, roses were bred (培育) so they would yield flowers with a range of colors. The world’s main food crops were selected, crossed and bred to suit the conditions they were grown in and to make them tastier.

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