D 开头单词
department of pediatrics 兒科；小兒學科
department of ophthalmology 眼科
department of naval architecture [教育學]造船學系
department of homeland security
department of hepatobiliary surgery 肝膽外科
department of geography 地理系；地理學系；地理學
department of general surgery [毉葯科學]普通外科
department of foreign languages 外語系
department of engineering physics [教育學]工程物理系
department of education 教育部；教育系
department of defense network [動力與電氣工程]國防部網路[計算機科學技術]國防部網路