单词：stomach enzyme
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VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Barbara Klein. This week -- the story of aspirin. (MUSIC) VOICE ONE: Our story begins with the willo
2006年慢速英语(十二)月
This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Germanys Harald zur Hausen and Frances Luc Montagnier and Francoise Barre-Sinoussi share the 2008 Nobel Prize in Physiology or Medicine, awarded October 6th. Barre-Sin
Scientific American(十)月
Aspirin has been shown to reduce the risk of heart attacks, strokes and some cancers. But stomach bleeding is still a risk from the drug. Transcript of radio broadcast: 21 July 2008 VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm
VOA慢速英语2008年（七）月
Don and Ya?l quickly run through what happens in your body when you're frightened. D: The anatomy of fear, on this Moment of Science. Y: One nice day you're walking along a wooded path. You come around a corner and there, coiled in the path, is a hug
英语时差8，16
The Anatomy of Fear One nice day youre walking along a wooded path. You come around a corner and there, coiled in the path, is a huge rattlesnake , its rattles abuzz. You are deathly afraid of snakes. Various parts of the brain signal the nervous sys
英语听力文摘 English Digest
八种食物 你的胃伤不起 从理论上讲，人们应该可以消化放到嘴里的任何类型的食物。但是食物处理和加工方式的变化(如油炸)以及生活方式的变化(如久坐不动)意味着我们的胃并不总能很好地
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