1
be + demonstrative
用于形容人习惯公开表露情感，通常作表语。
She is very demonstrative and hugs everyone she meets.
她非常感情外露，见谁都拥抱。
感情外露的；不掩饰感情的
先理解核心含义，再看它在真实句子里的用法。
感情外露的；不掩饰感情的
openly expressing one's feelings or emotions
She is very demonstrative and hugs everyone she meets.
她非常感情外露，见谁都拥抱。
用于演示、展示或证明的。
That serves to demonstrate, show or prove.
喜欢公开表达情感的；情感外露的
Given to open displays of emotion.
指明所提及的事物或人的；指示的。
That specifies the thing or person referred to.
My uncle is very demonstrative and always gives everyone a warm hug.
我叔叔感情非常外露，总是热情地拥抱每个人。
She's not very demonstrative, so it's hard to tell when she's happy.
她不太善于表露感情，所以很难看出她什么时候开心。
Children of demonstrative parents often feel more secure.
父母感情外露的孩子往往更有安全感。
用于形容人习惯公开表露情感，通常作表语。
She is very demonstrative and hugs everyone she meets.
她非常感情外露，见谁都拥抱。
后接表人的名词，表示“对某人感情外露”。
He is not very demonstrative with his children.
他对自己的孩子不怎么表露感情。
较正式，意为“表明、证明”，后接名词。
The latest figures are demonstrative of the economic recovery.
最新数据证明了经济复苏。
Not this
He demonstrative his love by hugging her.
Use this
He demonstrates his love by hugging her.
demonstrative 是形容词，不能直接带宾语表示动作；表示“表达（感情）”时应用动词 demonstrate，并注意主谓一致变成 demonstrates。
Not this
They organized a demonstrative.
Use this
They organized a demonstration.
demonstrative 是形容词，不能表示“示威活动”；表示“游行、示威”应用名词 demonstration。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
指示代词
In “This is my book,” “this” is a demonstrative pronoun.
在“This is my book”中，this 是指示代词。
感情外露的行为
Her demonstrative behavior made everyone feel welcome.
她感情外露的举止让每个人都感到受欢迎。
公开表露的感情；外露的深情
Their demonstrative affection embarrassed me a little.
他们公开表露的深情让我有点尴尬。
表明……的；说明……的
Her actions were demonstrative of her generosity.
她的行为表明了她的慷慨。
Use demonstrative naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
demonstrate（展示）+ive → 把情绪当众展示出来，即“感情外露的”；也能“展示/说明”问题，即“指示性的”。
语域：formal 常见场景：语法教学、语言学论述、正式说明文体 作“指示的”或“说明的”解时，通常用于语法分析或正式说明，比较常见于教科书和学术文体；日常口语中较少单独使用这个词。
能与 demonstrative /diˈmɒnstrətiv/ 完全押韵的常用词很少。administrative 和 illustrative 拼写同为 -strative，但重音分别在 /mɪn/ 和 /lʌs/，而不是 /mɒn/，读音不同；representative、qualitative、quantitative、preventative 虽也以 -tive 结尾，但重音与元音也不同。不要只按拼写推断发音。
Dictionary facts from ECDICT, WIKTIONARY.