| 释义 | 
		- n.【网】打成平局后得分 = advantage. ad in (打成平局后)发球人得分
 - abbr.〈外(=Anno Domini)公元
 - prep.达;根据
 - 网络阿尔茨海默病(Alzheimer's disease);活动目录(Active Directory);广告(advertisement)
 
 v.+n. put ad,take ad,make ad,place ad,see ad adj.+n. recent ad,print ad,corporate ad,japanese ad,personal ad n. advertisement,advert,public notice,commercial,poster n.  |  |  prep.  |  |  adj.  |  |  abbr.  | 3. assembly district (美国某些州的)选区  |  
 adv.  | 1. used to indicate a date that is a particular number of years after the birth of Jesus Christ.  |  n.  |  |  abbr.  | 4. used after a date to show that it refers to a time after the birth of Jesus Christ 4. used after a date to show that it refers to a time after the birth of Jesus Christ  |  
  |