单词:Sauer, Carl
单词:Sauer, Carl 相关文章
Alligator gar are the second largest freshwater fish in North America. Later it disappeared from the state's waterways in the 1990s. 鳄雀鳝是北美第二大淡水鱼。后来,也就是20世纪90年代的时候,水域中就再没发现过这种鱼
人类对大脑的理解已经取得了显著进展,但到底如何研究大脑里的神经元呢?神经科学家、TED Fellow Carl Schoonover 用华丽的图像向我们展示如何使用工具,看到大脑内部的景象。
New Technology Harvests Energy from River and Tidal Movement A number of companies have used the wind and sun to produce energy. Now, one company is using the force of flowing rivers and ocean currents. The company is based in the U.S. state of Maine
By Paul Thompson Broadcast: July 20, 2003 (THEME) VOICE ONE: This is Shirley Griffith. VOICE TWO: And this is Steve Ember with the VOA Special English program, Explorations. Today we tell about Americ
PEOPLE IN AMERICA -August 18, 2002: Carl Rowan By Cynthia Kirk Broadcast: VOICE ONE: I’m Shirley Griffith. VOICE TWO: And I’m Doug Johnson with the VOA Special English program, PEOPLE IN AMERICA.
PEOPLE IN AMERICA - Carl Rowan: One of the Most Honored Reporters in the United States By Cynthia Kirk Broadcast: Sunday, May 15, 2005 (MUSIC) VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'm Doug