单味药

单味药	dān wèi yào	medicine made from a single herb / drug made from a single substance
单	Shàn	surname Shan
单	chán	used in 单于
单	dān	bill / list / form / single / only / sole / odd number / CL:个
味	wèi	taste / smell / (fig.) (noun suffix) feel / quality / sense / (TCM) classifier for ingredients of a medicine prescription
药	yào	leaf of the iris / variant of 药
药	yào	medicine / drug / substance used for a specific purpose (e.g. poisoning, explosion, fermenting) / CL:种,服,味 / to poison