apposition
/ˌæpəˈzɪʃn; ˌæpə`zɪʃən/ n[U]
(grammar) addition of one word or phrase to another word or phrase as an explanation 同位; 同格
In `Queen Elizabeth, the Queen Mother' `the Queen Mother' is in apposition to `Queen Elizabeth'. 在`Queen Elizabeth, the Queen Mother'一语中`the Queen Mother'是`Queen Elizabeth'的同位语.