surrogate

代理；代用品；遗嘱检验法官英释中释na person or thing that takes the place of someone or something else

代理；指定某人为自己的代理人中释vt

代理的；替代的英释中释adja surrogate person or thing is one that takes the place of someone or something else

1 surrogate mother,n. 代孕母亲；替身母亲

1 Arms control should not be made into a surrogate for peace..军备控制不应变成和平的替代物。