copulas

英[kɒp'jʊləz] 美[kɒp'jʊləz]
  • 连接函数
  • inking n.上墨水线;涂油墨动词ink的现在分词.
  • system n.系统;体系;身体;制度
名词 copula:
  1. an equating verb (such as `be' or `become') that links the subject with the complement of a sentence