billionths 

  1. 名詞
billionth複數: 第...(幾)十億
...(二以上的整數) billionths/
...(二以上的整數)-billionths:
十億分之...
...(A: 二以上的整數) billionths of ...(B: 數字)/
...(A: 二以上的整數)-billionths of ...(B: 數字):
(B)的十億分之(A)

    
                        
    2. 
                                            

                

            

            
            

                

                
例句

                

                    
    
                                                    
  1. 
                                And, RHIC collisions last only a few billionths of a second.                            
    2. 
                                                    
  2. 
                                The EPA proposed a standard of 30 nanograms (30 billionths of a gram) per cubic meter of air coming out the stack.                            
    3. 
                                                    
  3. 
                                Metric values would be microns (millionths of a meter) or nanometer ( billionths of a meter) for polished surfaces.                            
    4. 
                                                    
  4. 
                                These particles emit a weak flash of blue light called Cherenkov radiation, lasting just a few billionths of a second.                            
    5. 
                                                    
  5. 
                                The team cooled fermionic lithium-6 to less than 150 billionths of one kelvin above absolute zero using infrared laser cooling.                            
    6.