a breakthrough + noun
breakthrough 作形容词时只用在名词前，不能单独作表语，不能说 The discovery is breakthrough。
Researchers announced a breakthrough discovery in cancer treatment.
研究人员宣布了一项癌症治疗领域的突破性发现。
突破性感染的；以重大进展或克服某些障碍为特征。；涉及对易感性降低的人(如已接种疫苗以帮助预防该疾病的人)感染疾病。
Characterized by major progress or overcoming an obstacle.
以重大进展或克服某些障碍为特征。
Characterized by major progress or overcoming some obstacle.
涉及对易感性降低的人(如已接种疫苗以帮助预防该疾病的人)感染疾病。
Involving the contraction of a disease by a person with a decreased susceptibility, such as a person who has been vaccinated to help prevent that disease.
Her team developed a breakthrough battery that charges in minutes.
她的团队开发了一款几分钟就能充满电的突破性电池。
用法提示：此处“breakthrough”作形容词，修饰名词“battery”，表示“具有重大进展的、突破性的”。
The teacher introduced a breakthrough approach to learning vocabulary.
这位老师引入了一种学习词汇的突破性方法。
用法提示：“breakthrough”在句中是定语，修饰“approach”，意为“突破性的”。
The company unveiled a breakthrough design for its new smartphone.
该公司为其新款智能手机公布了一项突破性的设计。
用法提示：句中的“breakthrough”作形容词，修饰“design”，强调该设计具有开创性。
breakthrough 作形容词时只用在名词前，不能单独作表语，不能说 The discovery is breakthrough。
Researchers announced a breakthrough discovery in cancer treatment.
研究人员宣布了一项癌症治疗领域的突破性发现。
in 后接具体的领域或时间段，说明在哪方面取得重大进展。
Winning the prize was a breakthrough moment in her career.
获奖是她事业中的一个突破性时刻。
这是医学领域的专门搭配，指已接种疫苗或已有免疫力的人仍然感染该疾病。
Doctors are tracking breakthrough infections among vaccinated patients.
医生正在追踪已接种疫苗患者中的突破性感染。
grammar · medium
易错句子This is a very breakthrough discovery in cancer research.
正确表达This is a breakthrough discovery in cancer research.
breakthrough 作形容词表示“突破性的（性质）”，属不可分级形容词，不能用 very 修饰，如同 main、former。中文说的“非常突破性的”直译成 very breakthrough 就错了，去掉 very 即可。
grammar · medium
易错句子This discovery is breakthrough.
正确表达This is a breakthrough discovery.
breakthrough 作形容词只能作定语、放在名词前，不能在系动词后作表语。中文“这个发现是突破性的”用“是……的”作谓语，直译成 is breakthrough 就不合英语语法，应把 breakthrough 移到名词前作定语。
突破性感染
Even vaccinated people can get a breakthrough infection.
即使接种过疫苗的人也可能发生突破性感染。
突破性病例
The state reported several breakthrough cases among fully vaccinated residents.
该州报告了几例完全接种疫苗居民的突破性病例。
突破性疗法
The drug received breakthrough therapy designation from the FDA.
该药获得了美国食品药品监督管理局的突破性疗法认定。
突破性角色
That film gave her a breakthrough role.
那部电影让她获得了突破性角色。
突破性表现
He delivered a breakthrough performance in the championship game.
他在冠军赛中打出了突破性的表现。
突破性发现
The lab announced a breakthrough discovery in cancer research.
该实验室宣布了一项癌症研究方面的突破性发现。
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