astronautics 

  1. 名詞
不可數名詞: 太空航空學, 太空航行學
航太學, 航天學

    
                        
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例句

                

                    
    
                                                    
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                                It was the highest risk area for Astronautics personal.                            
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                                Virginia: American Inst. of Aeronautics and Astronautics .                            
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                                International space science and the beginning of astronautics .                            
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                                International Symposia on Rockets and Astronautics in Tokyo, 1959 and 1960.                            
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                                Astronautics would be left with a few science packages to launch with Atlas.                            
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