单词：Cosmic Back-ground Explorer
单词：Cosmic Back-ground Explorer 相关文章
Surfing the Internet has been a fashion thing. We can do many things in the Internet. Do you think about how we can surf the Internet? Most people surf the Internet with Internet Explorer. Do you know
知性英语
1:45 AM, the 38th parallel, along the border of North and South Korea. The 148-mile-long border is the most heavily militarized in the world. This joint South Korean-American platoon is on constant alert for infiltrators from the North. Behind these
国家地理2007年
What exactly is the power that drives nature's most famous jaws? In New Zealand, this great white shark drowned in a fisherman's net. And scientists Kara Yopak and Clinton Duffy are preparing an ultra-rare great white shark dissection. Ah, I've never
国家地理2007年
Back at the Armor Group compound, another team prepares for a different kind of mission. They'll travel low profile, trying to blend in with the Iraqis. Low profile certainly can be an awful lot safer. If faced down properly, people will not know, th
国家地理2007年
EXPLORATIONS - Wade Davis: Scientist, Explorer and Writer By Marilyn Christiano Broadcast: Wednesday, May 04, 2005 (MUSIC) VOICE ONE: This is Mary Tillotson. VOICE TWO: Wade Davis And this is Steve Em
Explorations
Cosmic Radiation 上世纪早期，科学家发现一种神秘的辐射形式会破坏他们的实验。后来奥地利物理学家Victor Hess研究发现辐射可能来自天空。后来他多次坐热气球用各种仪器（包括测量放射电荷的
英语听力文摘 English Digest