单词：
单词： 相关文章
FAITH LAPIDUS: This is SCIENCE IN THE NEWS, in VOA Special English. Im Faith Lapidus. BOB DOUGHTY: And Im Bob Doughty. Today we tell about osteoporosis, a disease that can make bones weak so they break easily. (MUSIC) FAITH LAPIDUS: A new study shows
2010年VOA慢速英语(八)月
From VOA Learning English, this is the Health Lifestyle report. You may not realize it, but your bones are living tissue. And that tissue is always breaking down and re-growing. When the growth of new bone tissue does not keep up with the loss of old
2017年VOA慢速英语(五)月
By Melinda Smith Washington, D.C. 02 January 2007 watch Proton Pump report A basic tenet often associated with the practice of medicine is that physicians do no harm.' But even with the best intentions, sometimes a drug prescribed for one ailment ca
2007年VOA标准英语（一月）
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: Chickens at a market in Bangkok. And I'm Barbara Klein. This week, we will tell how a deadly bird flu virus is able to infect people. We will also tell about
VOA慢速英语2008年（二）月
1. Typical of the grassland dwellers of the continent is the American antelope, or pronghorn. 美洲羚羊，或称叉角羚，是该大陆典型的草原动物。 2. Of the millions who saw Haley's comet in 1986, how many people will live long enoug
雅思英语
One of the most impressive feats of muscular coordination in nature is the instance of a frog darting out its tongue in order to catch a fly. No matter how fast you are, you could never rely on plucking bugs out of the air to stay alive; but for frog
英语时差8，16