in·fra·struc·ture /ˈɪnfrəˌstrʌkʧɚ/
下部構造,基礎下部組織
infrastructure
n 1: the basic structure or features of a system or organization
[syn: substructure]
2: the stock of basic facilities and capital equipment needed
for the functioning of a country or area; "the industrial
base of Japan" [syn: base]