surrogate mother
collocation代孕母亲；代理母亲
They hired a surrogate mother to carry their child.
他们雇用了一位代孕母亲来孕育他们的孩子。
替代的；代用的
先理解核心含义，再看它在真实句子里的用法。
替代的；代用的
acting as a substitute
The charity uses surrogate families to help orphaned children feel at home.
该慈善机构利用寄养家庭帮助孤儿感受到家的温暖。
关于或作为替代的
Of, concerning, relating to or acting as a substitute.
提供或接受养育或父母关爱但无血缘或法律关系
providing or receiving nurture or parental care though not related by blood or legal ties
The scientist used a surrogate model to simulate the experiment before running it.
科学家在运行实验之前使用替代模型进行模拟。
AI contextual example
During the meeting, he served as a surrogate speaker for the absent manager.
会议期间，他代替缺席的经理担任发言人。
AI contextual example
surrogate father
代理父亲
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代孕母亲；代理母亲
They hired a surrogate mother to carry their child.
他们雇用了一位代孕母亲来孕育他们的孩子。
代理家长；代养父母
Her aunt became a surrogate parent after her parents passed away.
父母去世后，她的姑姑成了她的代理家长。
替代家庭；代养家庭
The shelter gives abandoned children a surrogate family.
这家收容所为被遗弃的孩子们提供了一个替代家庭。
代理决策人
The patient's surrogate decision-maker signed the consent form.
病人的代理决策人签署了同意书。
Use surrogate naturally, then get feedback on meaning, tone, grammar, and phrasing.
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记忆：surrogate 最熟的是 surrogate mother（代孕妈妈），她替代生母，所以意思是“替代的、代养的”。
语域：formal 常见场景：法律或合同文本、医学或技术文献、新闻报道中关于代孕的讨论 这个形容词通常用于正式或较严谨的语境，如法律、医学、技术文献和新闻报道；日常口语中较少单独出现，最常听到的是 surrogate mother（代孕母亲）这类搭配。
常作定语，表示‘替代的’；后接for表示替代的对象
Dictionary facts from ECDICT, WIKTIONARY.