b******3
发帖数: 4385 | 1 Neil Armstrong, former Apollo astronaut, talked about engineering
achievements. Engineering has changed the quality of life in the 20th
century through medical advances, optical fibers and lasers, petroleum
technology, electrification, and many others. After his presentation
he responded to audience members' questions.
http://www.c-span.org/video/?155533-1/engineering-20th-century | p********7
发帖数: 18007 | | b******3
发帖数: 4385 | 3 only american god knows
【在 p********7 的大作中提到】
: 妈逼 有木有登月过？
| c****3
发帖数: 10787 | 4 登月新闻发布会，Armstrong表情象死了爹一样 |
|
