ad-

英[əd] 美[əd]
  • 见于拉丁词源的字;表示“向...”之义
  • ad abbr.广告(=advertisement)abbr.公元(=AnnoDomini)
  • nauseam 见adnauseam
名词 ad:
  1. a public promotion of some product or service

副词 ad:
  1. in the Christian era; used before dates after the supposed year Christ was born