pneumatic 

  1. 形容詞
空氣的, 氣動的
壓縮空氣推動的
裝滿空氣的
氣體的
空氣學的
風動的
有氣胎的
有氣腔的
神靈的

    
                        
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  2. 

    名詞
限定複數形態pneumatics但作不可數名詞:
氣體力學

    

    
                        
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例句

                

                    
    
                                                    
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                                They are lifted and moved by pneumatic cylinders.                            
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  2. 
                                They showed us how the pneumatic machinery worked.                            
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  3. 
                                Air guns represent the oldest pneumatic technology.                            
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                                A pneumatic hammer or power hammer is faster still.                            
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                                It also had pneumatic tires and came with a hand pump.                            
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