Leech
Water leech refers to the lightest among the magpies. From "The Sources of Diseases" Volume 35. The book is divided into large crickets, horse crickets, water crickets, dry crickets, and wet crickets. Chao's said: "People who have leeches, such as small mash, have water coming out when they are removed. This is a kind of light." Similar to papular urticaria, or a person with mild wetness.
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