漠北尘风
幼苗
共回答了14个问题采纳率:78.6% 举报
It is one of the few crop species that originated in North America.There are many seeds in one sunflower.These seeds are very useful to our human beings,they are of importance to our daily life.Sunflower oil is getting more and more popluar,it has many nutrients.
1年前
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