diameter 

  1. 名詞
直徑
透鏡等的放大單位: ...(幾)倍
/此名詞複數為"diameters"/

    
                        
    2. 
                                            

                

            

            
            

                

                
例句

                

                    
    
                                                    
  1. 
                                They're nine foot diameter .                            
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  2. 
                                The head is 100 ft in diameter .                            
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  3. 
                                A softball is 4 inches in diameter .                            
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  4. 
                                It is around 48.8 m (160 ft) in diameter .                            
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  5. 
                                How about " Decrease in vessel diameter "?                            
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