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来源:雅诚德英语网
Engineers are still working on the designs for Orion and Altair but, as in the Apollo days, astronauts are involved in the process at every step.
工程师们仍然在设计“猎户星”号和“牵牛星”号,但就像在“阿波罗”年代,宇航员参与进行每一步。
Engineers are still working on the designs for Orion and Altair but, as in the Apollo days, astronauts are involved in the process at every step.
工程师们仍然在设计“猎户星”号和“牵牛星”号,但就像在“阿波罗”年代,宇航员参与进行每一步。