单一

单一	dān yī	single / only / sole
单	Shàn	surname Shan
单	chán	used in 单于
单	dān	bill / list / form / single / only / sole / odd number / CL:个
一	yī	one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit