Copyright © 1997-2026 by www.people.com.cn all rights reserved
Nevertheless, many cultures have recognized something special in this plant. By selecting plants with denser layers of leaves, ancient people created modern cabbage and kale. Others bred for the inflorescence, a dense bundle of small flowers that forms the head of cauliflower and broccoli. By favoring large, edible buds, thirteenth-century farmers living around modern day Belgium created Brussels sprouts. Under different selection pressures, Brassica oleracea has become German kohlrabi, or Chinese gai lan, or East African collard greens.
，推荐阅读吃瓜网获取更多信息
IBM's traditional strength in mainframe systems. The acquisition of Lotus was,
Discovery of fire ant nest at New Farm park reflects growing need to deal with threat, group says
今年嫦娥七号将发射，目标直指月球南纬85度以上的南极-艾特肯盆地，中国有望成为全球首个在月球找到水的国家。“我们为了找水，采取了很多方式，表面找，还到坑里找。”月球南极常年存在永久阴影坑，科学家推测这里封存着大量水冰资源。嫦娥七号带有独创的飞跃器，将完成人类首次月球阴影坑近距离勘查。（央视新闻）