n.基础，基本原理，肛门，臀部

The foundation of their relationship is built on trust and mutual respect.
这段关系的基础建立在信任和相互尊重之上。
He laid the cornerstone of his success by working hard at his studies.
他通过努力学习奠定了成功的基石。
The fundament of philosophy is to question everything.
哲学的根本在于对一切事物进行质疑。
The fundament of our democracy is the rule of law.
我们的民主基础是法治原则。
The fundament of good parenting lies in understanding and empathy.
良好的育儿之道在于理解和同情。
The fundament of her character is honesty and integrity.
她的品格基础是诚实和正直。
The fundament of economic growth is innovation and investment.
经济增长的基础是创新和投资。
The fundament of physical fitness is regular exercise and a balanced diet.
身体健康的基础是规律运动和均衡饮食。
The fundament of computer programming is understanding algorithms.
计算机编程的基础是对算法的理解。
The fundament of international diplomacy is communication and compromise.
国际外交的基础是沟通与妥协。