Word · Frequency #1053
defines
定义
defines is the third person singular of define.
核心释义
give a definition for the meaning of a word
- 1.
精确确定；清晰地标出；明确显示。
To determine with precision; to mark out with distinctness; to ascertain or exhibit clearly.
- 2.
表达某物的本质。
To express the essential nature of something.
- 3.
说明词、短语、符号或标志的含义。
To state the meaning of a word, phrase, sign, or symbol.
- 4.
描述、解释或使明确；用于请求对方更清楚地说明其用词或表达的含义。
To describe, explain, or make definite and clear; used to request the listener or other person to elaborate or explain more clearly his or her intended meaning of a word or expression.
- 5.
清晰界定区域或概念的范围或界限。
To demark sharply the outlines or limits of an area or concept.
- 6.
建立术语或符号的指代对象。
To establish the referent of a term or notation.
规定；使明确；精确确定；清晰地标出；明确显示。；表达某物的本质。；说明词、短语、符号或标志的含义。
用法In use
Can you define the term 'photosynthesis' for the class?
用法提示：动词原形，用于请求解释词义
The contract clearly defines each party's responsibilities.
用法提示：第三人称单数形式，表示规定或明确界定
She defined her goals before starting the project.
用法提示：过去式，表示确定范围或性质
define + noun
Can you define this term?
你能定义这个术语吗？
define + noun + as + noun
The treaty defined the border as the river.
条约将边界定义为这条河。
相关词与表达Connections
搭配Collocations
- define a term
- 定义术语
- It is important to define the key terms before starting the discussion.在开始讨论之前，先定义关键术语很重要。
- define a concept
- 定义概念
- The textbook clearly defines the concept of gravity.教科书清晰地定义了重力概念。
- define boundaries
- 规定界限
- The contract defines the boundaries of the property.合同规定了财产的界限。
- define a role
- 规定角色
- The job description defines the role of the manager.工作描述规定了经理的角色。
- clearly define
学习提示Learner notes
记忆技巧Memory Tip
联想'de'（得）+'fine'（好），定义就是把事物说得清清楚楚、明明白白，达到'好'的标准。
语境与语域Context & Register
通常用于学术或正式语境，表示对概念或术语进行明确界定；在日常对话中也可使用，但不如正式场合常见。
发音与拼写Pronunciation & Spelling
Words ending in '-ine' pronounced /aɪn/ rhyme with 'define'. However, be careful: words like 'determine', 'engine', 'medicine' end in '-ine' but are pronounced differently.
高价值词汇High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
用法优先级Usage priority
Collins 词频等级为 3，建议结合例句记忆，而不是只背中文释义。
一起学习词形
Dictionary facts from ECDICT, WIKTIONARY.