n. 部( department的复数形式 ); （任何事物的）部分; （企业单位负责特定活动的、零售商店中专售某类商品的）部门; （学校、学术机构等的）系

n. a specialized division of a large organization

n. the territorial and administrative division of some countries (such as France)

n. a specialized sphere of knowledge