单词：ptychosperma elegans
单词：ptychosperma elegans 相关文章
Worms seem like strange animals to send to the International Space Station. It's not like astronauts are going to take time off to go fishing and need to bait their hooks. So why send worms? Believe it or not, scientists are using a microscopic worm,
大千世界
SCIENCE IN THE NEWS - October 22, 2002: Nobel Science Prizes By George Grow VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob Doughty with SCIENCE IN THE NEWS, a VOA Special English program a
科技之光
By David Gollust State Department 24 October 2007 Secretary of State Condoleezza Rice is warning Arab politics could become more radical unless the current window of opportunity for Israeli-Palestinian peacemaking is fully exploited. At a congression
2007年VOA常速英语（十月）
I still believe that if you and i Could turn the clocks back, we'd realize That what we have has gone from worse to bad It's clear, things are not what they appear Tell me what happened to butterflies I used to get them, when you;d walk by And i'd ju
节奏布鲁斯
Then there are artists who are extracting anatomy from both the medical world and the art world 还有些艺术家将解剖学从艺术和医学中抽离， and are placing it directly on the streets. 直接带上了街头。 London-based SHOK-1 pain
TED演讲设计篇
By Deborah Tate Capitol Hill 10 September 2007 Six years after the September 11th terrorist attacks on the United States, Bush administration officials say Islamic extremist groups, and al-Qaida in particular, continue to pose a threat to the United
2007年VOA标准英语（九月）