单词：local rotation skin flap grafting
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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
VOA2003（下）-农业与经济
Pre-Listening Vocabulary dominant: strong; used most often keratin: a fibrous protein found in hair, nails, and the outer layer of skin puberty: the growth period during which a childs body reaches sexual maturity nail-biting: causing anxiety or nerv
趣谈英语
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
2010年VOA慢速英语(五)月
But had any man in England met such a man as I was, it must either have frightened him or raised a great deal of laughter; 在英国，任何人看到我的样子，一定被吓着或者被逗得开怀大笑； and, as I frequently stood still to loo
美国语文第四册
HEALTH REPORT - Fetal Skin Cells May Treat Burns By Caty Weaver Broadcast: Wednesday, September 21, 2005 I'm Shep O'Neal with the VOA Special English Health Report. A method tested in Switzerland may
健康与经济
今天我们要学的词是flap。 Flap在口语里，有争议、危机的意思。不久前，很多人莫名其妙地收到白宫的电子邮件，宣传奥巴马的医疗保健改革。The White House decided to make changes to its e-mail sign up
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