underpinnings
释义
(underpinning 的复数) n. 基础材料, 支承结构
英文释义
plural of underpinning
v support from beneath
v support with evidence or authority or make more certain or confirm
词形变化
原型: underpinning 原型变体: s
BNC词频排名: 0 | 当代语料库词频排名: 0