单词：weightlessness walking training
单词：weightlessness walking training 相关文章
77.户外活动 常用应急场景 范例一：Winter hiking M: How about the hiking? It was freezing yesterday, are you all ok? W: Cant be better, it was wonderful. We had a lot of fun there. There was so much joy and walk and breathe the winter air. We arrived
白领口语应急
Army Aims to Alter Perception by Fooling Senses LOS ANGELES The military uses virtual reality to enhance its training. But there is one hurdle to overcome before the experience can be truly immersive: how to fool the senses in a virtual world. The Mi
VOA标准英语2014年(七月)
Some of the issues that are important if you want to have people in space for long periods of time. 如果人类想长期置身太空，有几个重要的问题不得不考虑。 One is that people will tend to lose bone and muscle mass. 其中之一就
TED演讲教育篇
Aerobic Exercise and Mental Performance Stretching and toning are certainly important, but their benefits are different from that of aerobic exercise. Surprisingly, aerobic exercise isnt just beneficial to your heart, it also sharpens your mind. You
英语听力文摘 English Digest
sprint/middle-distance/long run短跑/中/长距离跑 marathon 马拉松 relay race; relay 接力 hurdles; hurgle race 跨栏 walking; walking race 竞走 steeplechase 障碍赛 high jump 跳高 pole jump; pole vault 撑竿跳高 long jump 跳远 hi
实用英语
The space lecture featured a QA session towards the end. Students questions ranged from what space looks like from Tiangong-1 to what problems the human body has faces in space. One of the students asked if the astronauts can see space junk and how S
CCTV9英语新闻2013年07月