duchess

详细解释:n. 公爵夫人

英语解释：

名词 duchess:

the wife of a duke or a woman holding ducal title in her own right

例句：

The duchess, though well-known as a society hostess, conveyed an unmistakably brittle air.公爵夫人虽然是有名的社交界女主人，却明显流露出冷冰冰的表情