n.代理，代表，代用品，代孕者，[心]代用人物，〈美〉遗嘱检验法庭[法官]
adj.替代的，代用的
v.代理；代替

原形：surrogate复数：surrogates

A surrogate mother carries a child for another couple or person.
代孕母亲为其他夫妇或个人孕育孩子。
In the film, the main character uses a robotic surrogate to interact with the world.
在这部电影中，主角通过一个机器人替身与世界互动。
The test was conducted using a surrogate fuel to mimic real-world conditions.
这次试验使用了模拟实际环境的替代燃料进行。
The surrogate stood in for the president at the rally, delivering his speech.
替代者在集会上代替总统发言，宣读了他的演讲稿。
Surrogates are often used in psychological research when studying human behavior is unethical.
当研究人类行为不道德时，常在心理研究中使用替代模型。
The company developed a virtual surrogate to test their new product's user experience.
公司开发了一个虚拟替身来测试新产品用户体验。
She became a surrogate to help a close friend who couldn't conceive naturally.
她成为了一名代孕母亲，以帮助一位无法自然受孕的亲密朋友。
In some cultures, surrogacy is seen as a way to fulfill the dream of parenthood.
在某些文化中，代孕被视为实现为人父母梦想的一种方式。
The athlete had to withdraw from competition due to injury, and his teammate served as a surrogate.
运动员因伤退出比赛，他的队友作为替代者参赛。
The artist created an art installation featuring a life-sized surrogate to explore identity issues.
艺术家创作了一个以等比例替身为特色的艺术装置，探讨身份问题。