| 释义 | 
		WordReference English-Chinese Dictionary © 2019: | 主要翻译 |  | dual adjadjective: Describes a noun or pronoun--for example, "a tall girl," "an interesting book," "a big house."  |  (involving two) | 双的  shuāng de  |  |   |   | 两重的  liǎng chóng de  |  |   |   | 两重的  liǎng chóng de  |  |   | Puns are funny because they have a dual meaning. |  
 WordReference English-Chinese Dictionary © 2019: | 复合形式: |  divided highway,  dual highway (US),  dual carriageway (UK) nnoun: Refers to person, place, thing, quality, etc.  |  (two-way road divided by central strip) | 双向车道公路 
  |  |   |   | 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 nnoun: Refers to person, place, thing, quality, etc.  |  figurative (both positive and negative) (指会带来正反两方面影响的事物) | 双刃剑  shuāng rèn jiàn |  |   | Medical radiation is a double-edged sword that helps fight cancer, but can destroy healthy tissues as well. |  | dual citizenship nnoun: Refers to person, place, thing, quality, etc.  |  (nationality of two countries) | 双重国籍  shuāng chóng guó jí |  |   | Maria holds dual citizenship: Italian and Argentinian. |  | dual nationality nnoun: Refers to person, place, thing, quality, etc.  |  (being a citizen of more than one country) | 双重国籍  shuāng chóng guó jí |  |   | China does not recognize dual nationality for its nationals. |  
 Collins Chinese Dictionary Plus (3rd edition), 2011: dual ['dju&l] adj  双(雙)的 shuāng de 在这些条目还发现'dual': 在英文解释里: carriageway - two-pronged  |