dual
US
UK dual adj: (involving two)
SC 双的 shuāng de
SC 两重的 shuāng de ，liǎng chóng de
SC 两重的 shuāng de ，liǎng chóng de
Puns are funny because they have a dual meaning.
divided highway, dual highway (US), dual carriageway (UK) n: (two-way road divided by central strip)
SC 双向车道公路
SC 双向公路
The divided highway that runs through town was once known as 'Main Street'.
从前，贯穿小镇的双向公路被称为“主街道”。
double-edged sword, dual-edged sword n: figurative (both positive and negative) (指会带来正反两方面影响的事物)
SC 双刃剑 shuāng rèn jiàn
TC 雙刃劍
TC 雙刃劍
Medical radiation is a double-edged sword that helps fight cancer, but can destroy healthy tissues as well.
dual citizenship n: (nationality of two countries)
SC 双重国籍 shuāng chóng guó jí
TC 雙重國籍
TC 雙重國籍
Maria holds dual citizenship: Italian and Argentinian.
dual nationality n: (citizenship in two countries)
SC 双重国籍 shuāng chóng guó jí
TC 雙重國籍
TC 雙重國籍
China does not recognize dual nationality for its nationals.
dual-purpose adj: (having two uses)
SC 两用的
dual-task adj: (involving two simultaneous actions)
SC 双任务
SC 双重任务
Studies show that dual-task performance is not as efficient as when someone concentrates on a single task.