JJWiktionary 原文英美n.林俊杰；约瑟夫逊结中文释义来自 ECDICT释义名词noun1(physics) Initialism of Josephson junction.名词noun1(law, postnominal) plural of J: abbreviation of judges or justices.专有名词proper noun1UKA male given name, often short for Jacob or Joshua.