Likewise, when in outer space, when you are orbiting the Earth, people are always floating around in these space stations.
同样，在外太空中，当您绕地球运行时，人们总是在这些空间站中四处漂浮。
2
According to BBC News, there are more than 22,000 pieces of space junk floating around the earth.
据 BBC 新闻报道，有超过22000块太空垃圾漂浮在地球周围。
3
The impact about 850km (530 miles) above Earth created a huge field of space debris, contributing about 28% of the junk now floating around in space (see chart).