蓼蓝 (蓼藍) liǎolán
          
              liǎolán 
              
              noun 
              indigo dye 
              Domain: Modern Chinese 现代汉语
              
                , Subdomain: Botany 
              
              
                , Concept: Plant 植物
              
              
              
                Notes: Species: Polygonum tinctorium (CC-CEDICT '蓼藍'; Wikipedia '蓼藍')
              
               
          
          
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