[, ] () the basic systems and services that are necessary for a country to run smoothly, for example buildings, transport, and water and power supplies（国家的）基础设施，基础建设◆They need to attract foreign investment to improve the country's infrastructure.他们需要吸引外国投资以改善国家的基础设施。the systems or equipment that an organization needs in order to be able to operate efficiently（机构的）基础设施◆a leading supplier of IT infrastructure资讯技术基础设施的领先供应商▸infrastructural /ˌɪnfrəˈstrʌktʃərəl/