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be defined as
The term is defined as a set of rules.
该术语被定义为一系列规则。
清晰的，确定的
先理解核心含义，再看它在真实句子里的用法。
清晰的，确定的
clearly characterized or delimited
The term is defined as a set of rules.
该术语被定义为一系列规则。
指意义明确或有清晰界限
有定义或价值的
Having a definition or value.
由于体脂低而肌肉分离明显
Having extreme muscle separation as a result of low body fat.
The roles of each team member are clearly defined in the project plan.
每个团队成员的角色在项目计划中都有清晰的定义。
The mountain's silhouette was sharply defined against the setting sun.
山的轮廓在落日映照下显得轮廓分明。
She prefers a well-defined schedule to avoid confusion.
她更喜欢清晰明确的时间表以避免混乱。
The term is defined as a set of rules.
该术语被定义为一系列规则。
Success is defined by personal achievements.
成功由个人成就来定义。
The project has clearly defined goals.
该项目有明确界定的目标。
用作前置定语。
We need to establish defined boundaries.
我们需要确立明确的界限。
Not this
The boundaries are defined clear.
Use this
The boundaries are defined clearly.
英语中，修饰动词或过去分词作状语应用副词，而汉语常借用形容词形式，导致误用形容词替代副词。
Not this
The concept is defined with the theory.
Use this
The concept is defined by the theory.
defined作形容词后常接介词by引出定义者或方式，而汉语结构“用……定义”可能导致介词误用为with。
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Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
Use defined naturally, then get feedback on meaning, tone, grammar, and phrasing.
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常作表语或定语，后接as或by表示定义或界限
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
Dictionary facts from AI_FALLBACK, ECDICT, WIKTIONARY.