breakthrough
【突破、重大进展、突破性进展】
"Breakthrough" 是一个名词，意思是突破、重大进展、突破性进展。它可以用于多个领域，例如科技、医学、商业等。
具体用法：
- 科技或医学：指重大发现或突破性进展
- Scientists have made a major breakthrough in cancer research.
（科学家在癌症研究方面取得了重大突破。）
- Scientists have made a major breakthrough in cancer research.
- 商业或职业：指重要的成功或里程碑
- His new marketing strategy led to a breakthrough in sales.
（他的新营销策略带来了销售突破。）
- His new marketing strategy led to a breakthrough in sales.
- 个人成长或心理学：指克服障碍、实现个人突破
- After years of struggle, she finally had a breakthrough in her career.
（经过多年的奋斗，她的事业终于取得了突破。）
- After years of struggle, she finally had a breakthrough in her career.
- 军事：指突破敌方防线
- The army achieved a breakthrough in enemy lines.
（军队成功突破了敌方防线。）
- The army achieved a breakthrough in enemy lines.