单词	封闭链
释义	同闭链--封闭链
随便看	u.s.p.s. usps usp (the united states pharmacopeia) usp {the united states pharmacopeia} uspto uspto {=united stated patent and trademark office} uspulum usp-- united states patent usp--united states pharmacopeia usp; united states pharmacopeia usp-- us pharm--united states pharmacopoeia usp, usp, uspharm usp， united states patent u s p，united states pharmacopeia usp， us pharm.， united states pharmacopoeia usquabae usquabae， usquebae， usquebagh usquabae， usquebae， usqueba(u)gh usque usque ad aras usque ad nauseam usquebae usquebagh usqueba(u)gh usquebaugh