ma'am
noun [ as form of address ] uk/mɑːm/ us/mæm/
B1 （用以礼貌地称呼妇女）夫人，太太
a polite way of talking to a woman
How can I help you, ma'am? 我能为您做些什么，夫人？
（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 Britain, used to address the Queen, or a woman of high rank in particular organizations, such as the army or the police
（旧时用于称呼上层社会的妇女）夫人，女士
in the past, used when talking to a woman of higher social class