dual

the status of being a citizen of two countries at the same time

双重国籍

the status of being a national of two countries; same as dual citizenship

同时拥有两个国家的公民身份

a road with two separate roadways for traffic travelling in opposite directions, especially in British English

双重目的

designed or suitable for two different uses

为两种不同用途设计或适用

双重角色

performing two different functions or jobs

执行两种不同的职能或工作

双重性

having two different or opposing aspects or characteristics

具有两种不同或对立的方面或特征

双重功能

serving two different purposes or having two roles

具有两种不同的目的。

双重身份

the state of having two distinct social or cultural identities

双重策略

a plan of action involving two different approaches to achieve a goal

为实现一个目标而涉及两种不同方法的行动计划

双重人格

a condition where a person seems to have two different characters

一个人的身份分裂成两个或更多个不同人格的状态。

双重忠诚

a state of allegiance to two different groups, countries, or causes

对两个不同团体、国家或事业的效忠状态

对抗赛

a sports competition between two teams, especially in American English

两个队伍之间的比赛。