Scientists at the New Delhi-based National Institute of Plant Genome Research took a gene from the edible amaranth plant and introduced the gene to seven commercial varieties of potatoes.
位于新德里的国家植物基因研究中心的科学家们从一种可食用的苋菜中取出一种基因，并移植到几种商业种植的土豆变种里。
And there was a day about seven years ago, I was planting potatoes.
大概是七年前的一天，我正在种马铃薯。
The earliest evidence suggested that farmers developed potatoes from wild plants more than seven thousand years ago.
最早的证据表明早在七千多年前农民已经从野生植物中发现了土豆。
The earliest evidence suggested that farmers developed potatoes from wild plants more than seven thousand years ago.
最早的证据表明早在七千多年前农民已经从野生植物中发现了土豆。
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