adj.二重的，双重的，双的，两部分的
n.对偶，双数

Mary has dual nationality.
玛丽有双重国籍。
Eric used dual pistols to defend himself.
埃里克用双枪来保护自己。
The concept of dual citizenship allows individuals to hold nationality of two countries simultaneously.
双重国籍的概念允许个人同时拥有两个国家的国籍。
The laptop has a dual-core processor, which enhances its performance significantly.
这款笔记本电脑配备了双核处理器，显著提升了其性能。
In quantum mechanics, particles can exhibit both wave-like and particle-like behavior, a phenomenon known as wave-particle duality.
在量子力学中，粒子可以表现出波粒二象性，即既可以表现为波动也可以表现为粒子的行为。
The hotel offers a dual shower system for an enhanced bathing experience.
酒店提供双淋浴系统，以提升沐浴体验。
The concept of Yin and Yang in Chinese philosophy represents the dual aspects of nature.
中国哲学中的阴阳概念代表了自然的两面性。
The company operates under a dual leadership structure, with both a CEO and a COO.
该公司采用双领导结构，既有首席执行官也有首席运营官。
The universe is believed to have originated from a single point, yet it now exhibits a vast array of dualities.
宇宙被认为起源于一个点，但现在展现出各种各样的二元性。
In psychology, there's a theory that human personality consists of both an ego and a superego, representing the dual nature of our psyche.
在心理学中，有一种理论认为人的个性由自我和超我组成，代表了我们心理的双重性质。
The city has a dual identity - it's both a bustling metropolis and a historic town preserving ancient traditions.
这座城市有两种身份——既是繁华的大都市，又是一个保存着古老传统的历史小镇。
The athlete competes in both track and field events, demonstrating exceptional versatility and a dual sporting talent.
这位运动员参加田径和田赛项目，展现出了非凡的多面性和双重体育天赋。