1
defining + noun phrase
动词define的动名词形式，作主语或宾语。
Defining the problem is the first step.
定义问题是第一步。
决定性的，关键的
先理解核心含义，再看它在真实句子里的用法。
决定性的，关键的
that defines or determines the essential nature or character
Defining the problem is the first step.
定义问题是第一步。
用于定义或区分的
Serving to define or distinguish.
The architect is defining the shape of the building.
建筑师正在定义建筑物的形状。
Defining the term clearly is essential for understanding the concept.
清晰地定义这个术语对于理解概念至关重要。
Her defining moment came when she won the championship.
她的关键时刻是她赢得冠军的时候。
动词define的动名词形式，作主语或宾语。
Defining the problem is the first step.
定义问题是第一步。
defining作形容词，表示‘决定性的’；常修饰moment, characteristic, feature等。
This is a defining moment in history.
这是历史上一个决定性时刻。
动词define的现在进行时形式。
He is defining the parameters of the experiment.
他正在界定实验的参数。
Not this
The defining of the problem is important.
Use this
The definition of the problem is important.
“defining”是动名词，此处需要名词“definition”表示“定义”这一概念。
Not this
Please provide a clearly defining term.
Use this
Please provide a clearly defined term.
“defining”是主动含义（起定义作用的），但此处需要已被定义的术语，故应用过去分词“defined”。
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v. 定义（现在分词）; adj. 决定性的; n. 定义过程
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.