Rao
 
                
                    
                        Differentiating Bitter Rao and Green Rao: Benefits, Taboos, and Identification Methods                    
                    
            Rao is familiar to rural people, but it is difficult to distinguish various types of rao. However, for medicinal herbs, we need to make distinctions because different Chinese medicinal herbs contain
                        
                        January 1, 2024