surrogate

n. 替代者、代用品

vt. 代理、替代

學術名詞

• 代用品：食品科技
• 傳輸代理節點：資訊

英文釋義

1. someone who takes the place of another person
2. a person appointed to represent or act on behalf of others
3. providing or receiving nurture or parental care though not related by blood or legal ties