surrogate

中文： 替代品、替代者

1. A substitute (usually of a person, position or role). · A mixture of horseradish and mustard often serves as a surrogate for wasabi.
2. A person or animal that acts as a substitute for the social or pastoral role of another, such as a surrogate parent.
3. A politician or person of influence campaigning for a presidential candidate. (US)
4. A judicial officer of limited jurisdiction, who administers matters of probate and intestate succession and, in some cases, adoptions. (US)
5. Any of a range of Unicode codepoints which are used in pairs in UTF-16 to represent characters beyond the Basic Multilingual Plane.
6. An ersatz good.

复数 surrogates