ADJ
代替的;代用的;代理的
You use surrogate to describe a person or thing that is given a particular role because the person or thing that should have the role is not available.
例句
Martin had become Howard Cosell's surrogate son...
馬丁代為當起了霍華德·科塞爾的兒子。
John Brown was the latest in a series of surrogate father figures in Victoria's life...
在一系列曾在女王維多利亞的一生中扮演過代理父親角色的人物中，約翰·布朗是最近的一位。