understructure

n. 基础, 下层结构

发音

US

词形变化

understructures 复数 understructures

释义与例句

n.
  1. 1.

    The supporting structure underneath something, such as a vehicle or bridge.

    Holonym: infrastructure (facilities sense)

    Near-synonyms: infrastructure (foundations sense), underpinnings

词汇关系

名词

同义词 6

foot base foundation groundwork fundament substructure

上位词 1

support

下位词 3

bed mat raft

整体词 2

construction structure

词源

From under- + structure.

来源：wiktionary