dual是什么意思

2023-12-14 12:41:17

dual

美[duːəl] 英[djuːəl]

adj. 双重的；成双的

n. 双数

副词：dually

近义词：double，twofold，duplicate，twin，treble，duple，two-fold，three-fold，threefold，

adj.(形容词)

n.(名词)

v.(动词)

adj.(形容词)

Adjective

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"
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"
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"

用作形容词(adj.)

She has dual nationality.她有双重国籍。
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。
The car has dual exhaust pipes.这车有双排气管。