Some spacecraft may have problems while in space after a certain amount of time.

一些宇宙飞船在太空中停留一段时间后可能会出现问题。

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One Space After a Period. Not Two.

每句中断后一个空格，而非二个

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Indentation or Space After a Paragraph?

段落前缩进还是空行？

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Frank Borman noted happily that after twelve lonely days in space, he and James Lovell finally had company for one night!

VOA: special.2009.07.01

If not,she says, they may be at increased risk for age-related broken bones years after their visits to space.

VOA: special.2009.03.10

The James Webb Space Telescope, named after NASA's second director, will have a mirror seven times the size of the Hubble Space Telescope.

VOA: special.2011.05.23

Liverpool found more space after the break as Stoke realised the containing game would not win them any points.

BBC: Liverpool 4-0 Stoke

Remember that just a few years ago, China would only announce something it had done in space after the event.

BBC: China in space: Running fast to catch up

They are believed to have broken away from the main asteroid belt between Mars and Jupiter and are our nearest neighbours in space after the Moon.

BBC: At a glance: Asteroid touchdown