dependencydependent

dependency /diˈpendənsi/ n. [u]依存；[c]属国，附庸国：the country's dependency on the oil industry国家对石油工业的依赖 Alaska and Hawaii were dependencies of the United States.阿拉斯加和夏威夷过去是美国的属地。 

dependent /diˈpendənt/ adj. 依靠，依赖的 (on, upon): Food production is no longer completely/entirely dependent on weather.粮食生产已不再完全靠天了。Success is dependent on the results of this examination.成功与否取决于这次考试的成绩。