1
be groundbreaking
作表语，主语通常是成果、决定、研究等。
The court's decision was groundbreaking.
法院的裁决具有开创性。
开创性的；突破性的
先理解核心含义，再看它在真实句子里的用法。
开创性的；突破性的
innovative; doing something that has never been done before
The court's decision was groundbreaking.
法院的裁决具有开创性。
开创性的；新颖的；前所未有的。
Innovative; new, different; doing something that has never been done before.
前所未有的或创造出新事物的
being or producing something like nothing done or experienced or created before
The new smartphone has a groundbreaking design that nobody has seen before.
这款新智能手机的设计具有开创性，是前所未见的。
Her research on renewable energy led to a groundbreaking discovery.
她对可再生能源的研究带来了一项突破性发现。
The company announced a groundbreaking plan to clean up the ocean.
这家公司宣布了一项清理海洋的开创性计划。
作表语，主语通常是成果、决定、研究等。
The court's decision was groundbreaking.
法院的裁决具有开创性。
作定语修饰名词，常与 research、discovery、technique 等搭配。
This is a groundbreaking study in artificial intelligence.
这是一项人工智能领域的开创性研究。
Not this
This technology groundbreaking the medical field.
Use this
This technology is groundbreaking in the medical field.
groundbreaking 是形容词，不是动词，不能直接带宾语。这里缺少 be 动词，应改为 is groundbreaking，并用 in 引出“在……领域”这一范围。
Not this
The groundbreaking of this discovery is undeniable.
Use this
The groundbreaking nature of this discovery is undeniable.
汉语的“开创性”是名词，但英语 groundbreaking 是形容词，不能直接作主语。要表达“开创性的性质”，需加 nature 等名词，构成 the groundbreaking nature of...
Not this
The athlete ran groundbreaking.
Use this
The athlete ran in a groundbreaking way.
形容词 groundbreaking 不能修饰动词 ran。要表示“以开创性的方式”，需用介词短语 in a groundbreaking way 作方式状语。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
突破性的研究
Her groundbreaking research changed how we treat the disease.
她的突破性研究改变了我们治疗这种疾病的方式。
开创性发现
The team made a groundbreaking discovery about the origins of life.
该团队在生命起源方面做出了开创性发现。
具有开创意义的研究
The groundbreaking study was published in a top medical journal.
这项具有开创意义的研究发表在顶级医学期刊上。
开创性工作
This book is considered a groundbreaking work in modern linguistics.
这本书被认为是现代语言学领域的开创性工作。
突破性技术
The company unveiled groundbreaking technology that charges a phone in seconds.
这家公司推出了可在几秒内给手机充电的突破性技术。
开创性成就
Winning the prize was a groundbreaking achievement for the young engineer.
获得该奖项是这位年轻工程师的开创性成就。
奠基仪式；破土动工仪式
The city held a groundbreaking ceremony for the new stadium.
该市为新体育场举行了奠基仪式。
开创性研究
Her groundbreaking research on climate change has influenced global policy.
她关于气候变化的开创性研究影响了全球政策。
开创性发现
The invention was a groundbreaking discovery in medical science.
这项发明是医学科学领域的一项开创性发现。
Use groundbreaking naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想“破土动工”：新建筑要从地面破土而出，groundbreaking 就像为从未有过的新事物开辟第一块土地。
语域：mixed 常见场景：news reporting、academic writing、everyday conversation groundbreaking 在正式和非正式语境中都可以使用，通常多用于新闻报道、学术或商业评论中，用来形容非常创新、前所未有的事物；日常口语中也可使用，但语气较强。
与 groundbreaking 押韵的词包括 heartbreaking、record-breaking、lawbreaking、housebreaking，它们都以 /breɪkɪŋ/ 结尾。注意 background 和 playground 虽然含有 ground 的拼写，但发音是 /ɡraʊnd/，与 -breaking 完全不同，不要混淆。
Dictionary facts from ECDICT, WIKTIONARY.