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18世纪产生了蒸汽机。19世纪诞生了电灯泡,20世纪给我们带来了电视和因特网。那么21世纪将出现什么?以下是一些即将出现的发明。含血球的庄稼你无法从芜菁、甘蓝等蔬菜里提取血液,但是从玉米里提取血液行不行?法国国家卫生与医学研究所的实验表明,可以通过把制造血红蛋白的基因植入玉米秆或烟草叶,生产出用于人体的人造血液。这项技术预计将在2003年出现。能干的机器人护士科学家恩格尔伯格正在帮助
The 18th century produced a steam engine. Light bulbs were born in the 19th century. The 20th century brought us television and the Internet. What will happen in the 21st century? Here are some of the upcoming inventions. Blood crops You cannot extract blood from vegetables such as turnips and kale, but can’t you extract blood from corn? Experiments at the National Institute of Health and Medicine in France have shown that genes for hemoglobin can be implanted into corn stover or tobacco. Leaves produce artificial blood for the human body. This technology is expected to appear in 2003. Competent robot nurse scientist Engelberg is helping