美国科学60秒 SSS 2013-02-22
时间：2018-12-24 作者：英语课 分类：Scientific American(二)月
英语课
Astronaut M B spent 199 days on the international space station in 2009.On Feb. 17th 2013, he told kids about his time in space as part of Family Science Day Effort on the Annual Meeting of American Association for the Advance of Science in Boston.Questions from the children covered basics:eating, sleeping and waste management.Then B got this question from the child whose mum then illustrated 1.
What happens to someone, the line goes off?
Line goes off?
No, no, when you in the station, and you know how the astronaut will be helping 2 together by some kind of line or xxx like what if that snap...
So, if you have a space walk, you will be very careful about xxx yourself xxx we always have two ways do the xxxself spacestation.If you pump to early free, if you xxx US space, you got a little Jack 3 pad back there.So you just xxx control the xxx taking front of you, and you can actually fly yourself back to the station, we never had to do that.Belive me, having got a couple of states locks that is on your mind, you don't want to be a satellite.
1 illustrated
n.食物的一份&adj.帮助人的，辅助的
- The poor children regularly pony up for a second helping of my hamburger. 那些可怜的孩子们总是要求我把我的汉堡包再给他们一份。
- By doing this, they may at times be helping to restore competition. 这样一来, 他在某些时候,有助于竞争的加强。