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Dioscorea cirrhosa contains high units of tannin, which is used for dyeing to protect fibers and prevent fiber damage. In the early days, people took Dioscorea cirrhosa to dye fishing nets, which could enhance the durability of fishing nets and resist corrosion. Red brick with strong local flavor can be dyed with Dioscorea cirrhosa without mordant and has high color fastness.　　《恋爱SOS》第二季仍然是在四个人的鬼马生活中之间展开的，既有当下最热门的婚恋话题，又将焦点直接对准网络受众—— 宅男宅女们的生活。Too long don't like to see but really want to see how to treatA year after a devastating flood has killed five locals in an idyllic country town, a mysterious new plant appears. The plant's phenomenal ability to restore youth is so formidable that attempting to harness it means re-evaluating values.In spring, the rich came to the poor's house with seeds, only to find that the cattle were gone and the poor were drinking.只是可惜，现代社会，国术早已无用了。说句不好听的话，黄公子捐了这银子，也算偿了晚辈的恩情。