**Define与Delineate的用法辨析**
**1. Define(定义)**
**核心含义**:通过简明、精确的语言解释某事物的本质或边界。
**典型用法**:
- 给出术语的词典式解释(What)
*The dictionary defines "altruism" as selfless concern for others.*
- 确立概念的核心特征
*The treaty defined the rights of both nations.*
- 强调抽象概念的界限
*We need to define the scope ...(以上内容有节略,please sign in for more)