
surrogate
词源
源自拉丁语 'surrogatus',意为'替代',由'sub-'(在...之下)和'rogare'(要求)组成。
noun
❶ 替代者或替代物,指在特定情况下代替某人或某物的人或事物。常用于医学、法律等领域。
“She acted as a surrogate mother for the couple who couldn't have children.”
(她为那对无法生育的夫妇充当了代孕母亲。)
“The doll served as a surrogate for the child's lost teddy bear.”
(这个玩偶代替了孩子丢失的泰迪熊。)
adjective
❶ 替代的,指具有代替功能的或作为替代品使用的。常用于描述非原始或非直接的事物。
“They found a surrogate family to care for the orphaned child.”
(他们找到一个替代家庭来照顾这个孤儿。)
“The company uses surrogate materials in product testing to reduce costs.”
(公司在产品测试中使用替代材料以降低成本。)
常见短语
surrogate mother — 代孕母亲,指通过人工受孕方式为他人怀孕并分娩的女性。
“The couple hired a surrogate mother to carry their baby.”
(这对夫妇雇佣了一位代孕母亲来孕育他们的孩子。)
surrogate marker — 替代指标,医学中指用于间接评估治疗效果或疾病进展的可测量指标。
“Blood pressure is often used as a surrogate marker for cardiovascular health.”
(血压常被用作心血管健康的替代指标。)