loose
[Pinyin]
[Interpretation] [sà n]:1. Gather and disperse. 2. distribution; Distribution. 3. deportation; Rule out. [sǐ n]: 1。 Unrestricted; Not dense; Let go. 2. Fragments; Not concentrated. 3. One of the dosage forms of Chinese patent medicine. One or more medicinal materials are pulverized into fine powder and mixed into dry powder, which can be divided into oral powder and external powder according to medicinal purposes.