音标：['kɒpjulә]
n. 系词, 介体, 接合部
【医】 介体; (舌)联桁; 交配

字博缘文学网在线英汉词典

copula的短语、例句：

copula n (grammar) type of verb that connects a subject with its complement 系词（即连系动词, 用以连结主语及其补语）
In `George became ill´, the verb `became´ is a copula. 在Georgebecameill一句中, became是系词.