niacin usp尼亚新
niacinamide usp烟酸胺
EP USP黄体酮;美国陶氏医药级丙二醇;供应美国陶氏丙二醇;丙二醇
USP DI美国药典药物信息;美国药典药品信息
CALCITRIOL USP骨化三醇
USP Expert专家型
USP UnitedStatesPatent美国专利
USP UniversalSerialBus通用串行总线
N-COUNT（可数名词） The USP of a product or service is a particular feature of it which can be used in advertising to show how it is different from, and better than, other similar products or services. USP is an abbreviation for "Unique Selling Point." 独特卖点 [商业]
With Volvo, safety was always the USP.
沃尔沃的安全性能一向是其独特卖点。