5 ma´am

ma´am
n[sing]
1 (used to address the Queen, a noblewoman, a female superior officer in the army, etc 用於对女王、 贵妇人、 高级女军官等的尊称) madam 夫人; 女士.
2 (US) (used as a polite form of address to a woman 用作对女子的尊称)
    Can I help you, ma´am? 小姐, 您有什麽事?