in·fra·struc·ture
noun/ˈɪnfrəstrʌktʃə(r)/
/ˈɪnfrəstrʌktʃər/
[countable, uncountable]- the basic systems and services that are necessary for a country or an organization to run smoothly, for example buildings, transport and water and power supplies
（国家或机构的）基础设施，基础建设 Oxford Collocations DictionaryInfrastructure is used before these nouns:- improvement
- investment
- distribution
- highway
- …
Word Originearly 20th cent.: from French (see infra-, structure).