单词：Elatostema tetratepalum
单词：Elatostema tetratepalum 相关文章
This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang
Scientific American(一)月
T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗
医务英语
South Africa's parliament has elected African National Congress deputy president Kgalema Motlanthe as the third post-apartheid president of the country. VOA's Delia Robertson reports from our Johannesburg bureau, the new president made it clear he d
VOA标准英语2008年（九月）
By Michael Bowman Washington 29 May 2007 Two days after forcing a private Venezuelan television station off the air, President Hugo Chavez has threatened to crack down on another non-governmental TV broadcaster. VOA's Michael Bowman reports from Wash
2007年VOA标准英语（五月）
By Scott Stearns White House 24 January 2007 U.S. President George Bush wants Americans to cut their use of gasoline by 20 percent over the next 10 years. VOA White House Correspondent Scott Stearns reports, it is the cornerstone of a new energy poli
2007年VOA标准英语（一月）
图片1 图片2 图片3 图片4 图片5 图片6 图片7 图片8 图片9 图片10
粉红猪小妹第二季
By Al Pessin Pentagon 03 May 2006 U.S. Defense Secretary Donald Rumsfeld says he expects the United States to be able to reduce its troop strength in Iraq once the new government takes office. The sec
2006年VOA标准英语（五月）
10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur
万物简史