propulsion 

  1. 名詞
不可數名詞: 推進力, 推進
動力

    
                        
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例句

                

                    
    
                                                    
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                                Wake immersed propulsion is a lot more efficient.                            
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                                Propulsion concepts not constrained by a centerline shaft.                            
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  3. 
                                These are chemical and electrical rocketry and propulsion .                            
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  4. 
                                The alien ship moves by means of nuclear pulse propulsion .                            
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  5. 
                                The longships had two methods of propulsion : oars and sail.                            
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