 

       

2020-02-27 15:43
  221
  0

      
       
          



 / bBgBntFIr /          Bacteria   
                细菌  
                                                                                                                             



 / hCrBntFIr /          Virus   
                 病毒  
                            DNA  RNA                                                                                                      

0-9

2019-n CoV     (     2019-       
                2019      
                2019新型冠状病毒) 
        2019- novel Corona Virus    novel      corona           virus   






     2019   1   31       



  
     
     