a surrogate for sb/sth
a surrogate for sb/sth 表示某人或某物的替代品，for 后接被替代的对象。
This software is a surrogate for expensive laboratory equipment.
这款软件是昂贵实验室设备的替代品。
代表；代理人；代用品；仿制品；代理项；代理码点；替代品(通常指人、职位或角色)；替代他人的人
A person who takes the place of another, especially in a role such as a parent.
替代品(通常指人、职位或角色)
A substitute (usually of a person, position or role).
替代他人的人
someone who takes the place of another person
替代他人社会或牧师角色的人或动物,如代理父母
A person or animal that acts as a substitute for the social or pastoral role of another, such as a surrogate parent.
被指定代表他人行事的人
a person appointed to represent or act on behalf of others
在UTF-16中用于表示超出基本多语言平面的字符的Unicode代码点对
Any of a range of Unicode codepoints which are used in pairs in UTF-16 to represent characters beyond the Basic Multilingual Plane.
替代品
An ersatz good.
She is a surrogate for the project leader while he is away.
项目负责人不在时，她就是他的代理人。
用法提示：surrogate 作名词，表示代替他人的人。
The volunteer acted as a surrogate for the host at the reception.
这位志愿者代替主人接待来宾。
用法提示：surrogate 是名词，指代他人担任社交角色的人。
Parents often use grandparents as surrogates when they cannot attend school events.
父母无法参加学校活动时，常让祖父母代为出席。
用法提示：surrogates 是复数形式，指代替父母出席的人。
a surrogate for sb/sth 表示某人或某物的替代品，for 后接被替代的对象。
This software is a surrogate for expensive laboratory equipment.
这款软件是昂贵实验室设备的替代品。
act as a surrogate for sb 强调临时替代某人行事，for 引出被替代的人。
She acted as a surrogate for the manager while he was away.
经理不在时，她充当了他的代理人。
appoint sb as a surrogate 中 as 后接身份名词；as 常可省略，变为 appoint sb a surrogate。
The court appointed him as a surrogate for the absent trustee.
法院指定他作为缺席受托人的代理人。
grammar · medium
易错句子His brother will surrogate him at the meeting tomorrow.
正确表达His brother will act as a surrogate for him at the meeting tomorrow.
汉语“替代”是动词，学习者便顺手把 surrogate 也当动词用（surrogate him）。但本词条只收名词义“代替者、代理人”，英语里不能用它直接带宾语。表示“代替某人”要用 act as a surrogate for sb.，即用名词短语作表语，再借 act as 承担动词功能。
grammar · medium
易错句子He acted as surrogate for the manager while she was away.
正确表达He acted as a surrogate for the manager while she was away.
surrogate 是可数名词，单数形式泛指身份时必须带不定冠词，as a surrogate 才等于汉语的“作为代替者”。汉语名词前没有冠词这一范畴，所以学习者常在 as / become 等表身份的结构里漏掉 a。
grammar · medium
易错句子The agency sent three surrogate to help the family.
正确表达The agency sent three surrogates to help the family.
surrogate 是可数名词，前面有具体数词 three 时必须用复数形式 surrogates，词尾 -s 不能省。汉语“三个”之后名词本身不变形，学习者因此容易只译出数词而漏掉英语的复数标记。
充当替代者；担任代理人
She acted as a surrogate for the manager while he was on leave.
经理休假期间，她担任他的代理人。
代孕母亲；替代母亲
The couple hired a surrogate mother to carry their child.
这对夫妇雇用了一位代孕母亲来孕育他们的孩子。
指定代理人；委任代表
You should appoint a surrogate to make medical decisions if you become unable to do so.
如果你变得无法自己做决定，应当指定一名代理人来做出医疗决定。
……的替代者；作为……的替代
The exercise is not a surrogate for proper medical treatment.
这种锻炼不能替代正规医疗。
替代决策者；代为做决定的人
A close relative may be asked to act as a surrogate decision-maker.
近亲可能会被要求担任替代决策者。
sur-（代替，源自拉丁语 sub-）+ rog-（询问/提议）+ -ate（名词后缀）｜同根词：interrogate（审问）、prerogative（特权）
与surrogate同属法律或家庭中为他人行事或负责的角色。
指使用surrogate代替生育的安排，是该词最常出现的相关概念。
许多当事人因不孕问题而寻求surrogate的帮助。
surrogate的委托关系常以合约明确双方权利与义务。
与surrogate同属依法代替他人管理事务或权益的角色。
你不是你。你是你的替身。
The chairman was too ill to attend, so he sent a surrogate to vote on his behalf.
主席病得不能出席，所以派了一名代表替他投票。
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Dictionary facts from ECDICT, WIKTIONARY.
替代父母；代理家长
The school acted as a surrogate parent for the orphaned boy.
这所学校充当了这个孤儿的代理家长。