underpinnings

📖 中文释义

  1. (underpinning 的复数) n. 基础材料, 支承结构

🧩 词形变化

原形 underpinning
📘 English Definition(英文释义)
  1. plural of underpinning
  2. v support from beneath
  3. v support with evidence or authority or make more certain or confirm