医学: medical science; medicine; iatrology 短语和例子大众医学书籍 books on popular medicine; 法医学 forensic medicine; legal medicine; 基础医学 preclinical medicine; 临床医学 clinical medicine; 预防医学 preventive medici
交通: 1.(往来通达) unobstructed : 阡陌交通 crisscross of paths in fields2.(运输) traffic; communications; transportation 短语和例子交通便利 have transport facilities; 交通繁忙 heavy traffic; 妨碍交通 interfere with the tr