Senses
对偶/ 對偶 antithesis
a rhetorical device involving two lines of equal length and similar structure that express related or contrasting ideas; verbal parallelism
对偶/ 對偶 dual
(bound form) relating to duality in mathematics or physics
对偶/ 對偶 couple
a man and woman paired together
对偶/ 對偶 spouse
a husband or wife