N-COUNT When an astronaut goes on a spacewalk, he or she leaves the spacecraft and works outside it while floating in space. 太空行走
Today, only three countries have finished spacewalks independently.
今天，只有三个国家独立完成了太空行走。
Astronauts practice spacewalks underwater in a huge special swimming pool.
宇航员在一个巨大的、特别的游泳池里进行水下太空行走的练习。
The world record of spacewalks is held by Russian astronaut Anatoly Solovyev.
太空行走的世界纪录由俄罗斯宇航员阿纳托利·索洛维耶夫保持。
The work required five separate spacewalks over eleven days.
VOA: special.2009.09.30
Over the last few days, they have done a great deal of work on the orbiting outpost during three spacewalks.
VOA: standard.2009.11.30
Astronaut Bresnik told reporters it was not hard to concentrate on the spacewalks after learning his wife had given birth to a baby girl.
VOA: standard.2009.11.30
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