duchess
US
UK duchess n: (rank of noblewoman) (爵位)
SC 女公爵 nǚ gōng jué
Elizabeth became a duchess when she married a duke.
Duchess n: (title of noblewoman) (称呼、头衔)
SC 女公爵 nǚ gōng jué
The Duchess of Devonshire was famous for her numerous love affairs.
duchess n: (wife of a duke)
SC 公爵夫人 gōng jué fū rén
Isabelle is a duchess, but she has no real power.