单词：high-expansion foam fire extinguishing system in machinery space
单词：high-expansion foam fire extinguishing system in machinery space 相关文章
Science and technology. 科技。 Bionics. 仿生学。 I think I'd like some coffee. 我想来点咖啡。 A paralysed woman gets herself a drink. 四肢瘫痪的女人也能自己喝咖啡。 HELPING yourself to a cup of coffee may seem like a smal
经济学人科技系列
Broadcast: Apr 09, 2003 Two U.S. astronauts took a spacewalk Tuesday to perform exterior maintenance on the International Space Station. It was the last opportunity to fix hardware while the outpost h
VOA2003（上）-科技先知
By Michael Bowman Washington 05 July 2006 Preparations are underway on the Space Shuttle Discovery for Thursday's planned docking with the International Space Station. Discovery's crew spent much of the day performing a thorough examination of the o
2006年VOA标准英语（七月）
By David McAlary Washington 08 July 2006 Astronaut Mike Fossum, left, helps astronaut Piers Sellers, right, with tools in Discovery's payload bay during spacewalk, July 8, 2006 Two U.S. shuttle astronauts bounced at the end of a long pole in space S
2006年VOA标准英语（七月）
By Brian Wagner Miami 23 October 2007 The space shuttle Discovery has launched from Kennedy Space Center on a two-week mission to the International Space Station. VOA's Brian Wagner reports the seven astronauts on Discovery will deliver a new module
2007年VOA常速英语（十月）
Science and technology 科学技术 Bionics 仿生学 I think I'd like some coffee 我想来点咖啡 A paralysed woman gets herself a drink 四肢瘫痪的女人也能自己喝咖啡 HELPING yourself to a cup of coffee may seem like a small, everyda
经济学人科技系列