By Mario Ritter Broadcast: August 12, 2003 This is Bill White with the VOA Special English Agriculture Report. We often think of agriculture as planting seeds and harvesting crops. But many crops do n

发表于:2018-12-07 / 阅读(52) / 评论(0) 分类 VOA2003(下)-农业与经济

Chinese Doctors Use 3-D Spinal Implant 中国医生运用3D脊柱植入物 A Chinese boy suffering from a debilitating bone disease has become the first patient with a part of his spine created in a three-dimensional printer. Doctors say he will soon

发表于:2018-12-16 / 阅读(28) / 评论(0) 分类 VOA标准英语2014年(八月)

AGRICULTURE REPORT - For Eating or Looking: Wild About CherriesBy Mario Ritter Broadcast: Tuesday, March 28, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. There is something ha

发表于:2019-01-02 / 阅读(64) / 评论(0) 分类 2006年慢速英语(三)月

Grafting is a way to produce plants from pieces of existing plants instead of seeds. Branches or buds are cut from one plant and placed on a related kind of plant. The branch or bud that is grafted is called the scion. The plant that accepts the graf

发表于:2019-01-12 / 阅读(60) / 评论(0) 分类 2010年VOA慢速英语(五)月

'Serial Killer' Cells Demolish Leukemia Tumors U.S. researchers say they've been able to modify a patient's immune system T cells, turning them into serial killer cells which zero in on cancer and obliterate it. Its being called a breakthrough in the

发表于:2019-01-14 / 阅读(65) / 评论(0) 分类 VOA标准英语2011年(八月)

HEALTH REPORT - Scientists Learn More About How Cancer Spreads By Cynthia Kirk Broadcast: Wednesday, December 14, 2005 I'm Faith Lapidus with the VOA Special English Health Report. Scientists have lea

发表于:2019-01-30 / 阅读(40) / 评论(0) 分类 健康与经济