retrorockets 

  1. 名詞
retrorocket複數: 反向火箭
制動火箭
減速火箭

    
                        
    2. 
                                            

                

            

            
            

                

                
例句

                

                    
    
                                                    
  1. 
                                The retrorockets would be kept on.                            
    2. 
                                                    
  2. 
                                The liquid-fueled retrorockets fired for about 42 seconds.                            
    3. 
                                                    
  3. 
                                Then I fired my retrorockets at the right time and landed right by the carrier.                            
    4. 
                                                    
  4. 
                                The Viking's last stage of descent was done entirely with retrorockets on the lander itself.                            
    5. 
                                                    
  5. 
                                "If any of three retrorockets had solid fuel remaining, an explosion could rip everything apart.                            
    6.