单词：
单词： 相关文章
After all the excitement had died down, Mr. and Mrs. Diggs cleared everyone from the dinosaur hall. Only the Aldens and Dr. Pettibone were left. Now Titus, Mrs. Diggs began. I know you must be very distracted by this terrible loss, not to mention los
44 The Dinosaur Mystery
AMERICAN MOSAIC - Americas Oldest Planetarium Honors Russian Cosmonaut Yuri Gagarin DOUG JOHNSON: Welcome to AMERICAN MOSAIC in VOA Special English. (MUSIC) Im Doug Johnson. Today we hear new music from Coldplay. And we answer a question about Hallow
2011年VOA慢速英语(十)月
The American Museum of Natural Historys Hayden Planetarium hosted a discussion of the future of manned space flight on March 15th. Retired Air Force General Lester Lyles was asked about the militarys interest in space: Its the high ground. Its the ul
Scientific American(三)月
Still have some vacation time to burn, but tired of reading bad novels on the beach? Try a book written especially for people whod rather go to the planetarium than to Planet Hollywood. Its called The Geek Atlas: 128 Places Where Science and Technolo
Scientific American(八)月
Chicago's Adler Planetarium Honors Cosmonaut Yuri Gagarin Chicagos Adler Planetarium was the first one built in the United States, in 1930. Since it opened, it has helped visitors understand the marvels of astronomy. It has mounted celebratory exhibi
VOA标准英语2011年(十月)
For one thing, if this was just the Ebbinghaus effect, 首先，如果真是艾宾浩斯效应， then we would expect the moon illusion to disappear for pilots flying high above the clouds 那么我们应该预期月球错觉对于空中的飞行员来
TED演讲教育篇