一个大型空间站将建成，让三名宇航员生活和做研究工作很长一段时间。
A large space station will be built to allow three astronauts to live in and to do research work for a long time.
某一段时间里，美国宇航局的许多实验室都在研究太阳帆。
At one time or another, many of NASA's laboratories have studied solar sails.
约瑟夫博士说，在一段这么长时间的旅途里，宇航员之间很可能会形成情感纽带，所以可以大胆推测他们会在这种情感纽带的基础上有所行动。
Joseph says that given such a lengthy time period for the trip, emotional bonds between the astronauts are likely to form — and it would be unwise not to anticipate them acting on those bonds.
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