ma'am

剑桥词典

a polite way of talking to a woman
（用以礼貌地称呼妇女）夫人，太太
How can I help you, ma'am? 我能为您做些什么，夫人？

in Britain , used to address the Queen, or a woman of high rank in particular organizations , such as the army or the police
（在英国对女王或军队、警察等机构中职位较高妇女的称呼）夫人

in the past, used when talking to a woman of higher social class
（旧时用于称呼上层社会的妇女）夫人，女士 返回 ma'am