单词：endothelin-1
单词：endothelin-1 相关文章
EXPLORATIONS - October 9, 2002: George Catlin, Part 2 By Paul Thompson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the Special English program EXPLORATIONS. Today we pre
Explorations
By Paul Thompson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. A new exhibit of paintings is being shown at the Smithsonian A
Explorations
Its been called the vine that ate the south. Kudzu grows so fast it can completely cover a cabin in the woods in a couple of days. The invasive plant takes over another 150,000 acres every year. Which costs another $6 million to control. But plant pa
Scientific American(八)月
BBC Learning English Weekender Mothering Sunday Callum:Hello, I'm Callum Robertson and this is Weekender. This Sunday is a special day in Britain. It's not an official national holiday and not everybody will be doing anything different, but it is ma
Weekender
SCIENCE REPORT – January 9, 2002: Red Wine and Heart Disease By George Grow This is the VOA Special English SCIENCE REPORT. British scientists may have discovered the reason why red wine appears to
科技之光
A: Hello, I heard that you were looking for me? 你好，我听说你在找我啊？ B: Yes. 是的。 A: You lookoff color. 你气色不好？ B: Really? Henry, are you free now? 真的吗？Henry，你现在有空吗？ A: Whats come over you? 什么
跟艾米莉一起学口语