ad'adabbr.广告 (=advertisement)abbr.公元(=Anno Domini)adiurnal一昼夜的adimolol阿地洛尔ad-letn.小广告ad aurem耳用Adriamyc阿霉素adulatorn.好奉迎的人adippingn.倾斜；下倾Adriaticadj.亚得里亚海的adualism非二无论adriacin阿霉素