Río NegroWiktionary 原文英美词源链西班牙语SpanishRío Negro↓ 借入英语EnglishRío Negro词源说明Borrowed from Spanish Río Negro (literally “black river”).释义专有名词proper noun1A province in central Argentina. Capital: Viedma.2A river in Patagonia, Argentina.3A river in Uruguay, which joins the Uruguay River.4A department