1
extensive + noun
常用搭配，强调范围或数量大
She has extensive experience in marketing.
她在市场营销方面有丰富的经验。
广泛的；广阔的；大规模的
先理解核心含义，再看它在真实句子里的用法。
广泛的；广阔的；大规模的
large in area, amount, or range; covering a wide extent
She has extensive experience in marketing.
她在市场营销方面有丰富的经验。
范围广的；覆盖大面积的；广阔的。
Having a great extent; covering a large area; vast.
空间范围或数量大的
large in spatial extent or range or scope or quantity
数量可观的。
Considerable in amount.
范围或内容广泛的
broad in scope or content; ; ; ; ; - T.G.Winner
The museum has an extensive collection of ancient artifacts.
这家博物馆收藏了大量古代文物。
AI contextual example
They carried out extensive research before making a decision.
他们在做决定之前进行了广泛的研究。
AI contextual example
The storm caused extensive damage to the coastal town.
这场风暴对沿海城镇造成了广泛的破坏。
AI contextual example
an extensive Roman settlement in northwest England
英格兰西北部一处广阔的罗马定居点
WordNet
常用搭配，强调范围或数量大
She has extensive experience in marketing.
她在市场营销方面有丰富的经验。
The damage to the building was extensive.
建筑物的损坏是广泛的。
表示在某方面具有广泛性
The park is extensive in size.
这个公园面积广阔。
Not this
The museum has an expensive collection of ancient artifacts.
Use this
The museum has an extensive collection of ancient artifacts.
混淆了'extensive'（广泛的）和'expensive'（昂贵的）。'extensive collection'表示'大量收藏'，而'expensive'不符合句意。
Not this
He took an intensive course on Chinese history last summer.
Use this
He took an extensive course on Chinese history last summer.
混淆了'extensive'（广泛的）和'intensive'（集中的）。'extensive course'强调涵盖面广，而'intensive'指强度大、时间短。
Not this
She has extensive knowledges about biology.
Use this
She has extensive knowledge about biology.
'knowledge'是不可数名词，不能加复数-s。'extensive knowledge'是正确的搭配。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
广泛的研究
The scientists conducted extensive research on climate change.
科学家们对气候变化进行了广泛的研究。
丰富的经验
She has extensive experience in project management.
她在项目管理方面有丰富的经验。
大面积的损害
The storm caused extensive damage to the coastal areas.
暴风雨对沿海地区造成了大规模的破坏。
大量的收藏
He owns an extensive collection of antique coins.
他拥有大量古钱币收藏。
广泛的网络
The company has an extensive network of distributors worldwide.
该公司在全球拥有广泛的经销商网络。
渊博的知识
The professor has extensive knowledge of ancient history.
教授对古代历史有着渊博的知识。
Use extensive naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象一张巨大的网向外伸展，覆盖广阔面积——extensive就是‘广阔的、广泛的’
通常用于正式或学术语境，表示范围广、数量大或程度深。常见于描述研究、数据、知识或影响。在口语中较少使用，更偏向书面语。
All end in -sive /sɪv/. The first three have stress on the second syllable and share the vowel /ɛ/ and nasal /n/ in the stressed syllable, but differ in the initial consonant cluster (/t/ vs /sp/ vs /f/). 'Massive' has stress on the first syllable with /æ/. None perfectly rhymes with 'extensive' (/ɪkˈstɛnsɪv/), which has a /st/ cluster.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.