dual

英 ['djuːəl] 美 ['duːəl]

• adj. 双重的；成双的
• n. 双数

双解释义

adj. (形容词)

1. [A]两部分的,二体的,二重的

   having two parts or aspects; double

详尽释义

adj. 形容词

1. 双重的，二重的，两重的
2. 双的，两的，二的，成双的
3. 双倍的
4. 二体的
5. 二元的
6. 两部份的
7. 对偶的
8. 复式的，两层的

n. 名词

1. 双数
2. 双数词，含有双数的词
3. 【语法】双数
4. 【数】对偶
5. 双联
6. 二元

v. 动词

1. 使双重，使成双

英英释义

Adjective:

1. consisting of or involving two parts or components usually in pairs;

   "an egg with a double yolk"
   "a double (binary) star"
   "double doors"
   "dual controls for pilot and copilot"
   "duple (or double) time consists of two (or a multiple of two) beats to a measure"
   

2. having more than one decidedly dissimilar aspects or qualities;

   "a double (or dual) role for an actor"
   "the office of a clergyman is twofold; public preaching and private influence"
   "every episode has its double and treble meaning"
   

3. a grammatical number category referring to two items or units as opposed to one item (singular) or more than two items (plural);

   "ancient Greek had the dual form but it has merged with the plural form in modern Greek"
   

例句

用作形容词 (adj.)

1. She has dual nationality.
   她有双重国籍。
2. His dual role as a composer and a conductor made him very busy.
   他作曲家和指挥家的双重身份使他非常繁忙。
3. The car has dual exhaust pipes.
   这车有双排气管。

常见句型

用作形容词 (adj.)

用作定语

～+ n.

1. He has dual role as director and actor.
   他兼作导演及演员的双重身份。
2. The film star has dual nationality.
   这位电影明星兼有双重国籍。

经典引文

• His laugh had a dual function, partly to applaud his jest, partly to cloak his anger.

  出自： F. O

• Everyone..holds dual citizenship in the kingdom of the well and in the kingdom of the sick.

  出自： S. Sontag

词汇搭配

• dual citizenship 双重国籍，双重公民身...
• dual carriageway 双线车道
• dual track 双声道
• dual. =dynamic u...
• dual-purpose 双重目的的
• dual burner 可用两种燃料的燃烧器...
• dual cone 双纸盆,对偶锥...
• dual problem 成对问题
• dual detector 双向检波器
• dual access 双臂取数,双臂存取...
• dual economy 双重经济体制...
• dual drive 双驱动器
• dual nationality 双重国籍
• dual control 对偶控制
• dual operation 对偶运算,双重操作...
• dual network 对偶网络,对偶电路,...
• dual beam 双电子束
• dual pump 复式泵,双缸泵...
• dual mode 两种方式,双重方法...
• dual property 二象性

词源解说

• ☆ 16世纪进入英语，直接源自拉丁语的dualis，意为双的，二重的。

近反义词

【近义词】

• double 双重的
• twofold 两倍的
• duplicate 副本
• twin 孪生的
• treble 三倍的
• duple 二倍的
• two-fold 双面的
• three-fold 三倍的
• threefold 三倍的