underpinning
名词 C1中文： 基础、支柱、支撑物
- A support or foundation, especially as a structure of masonry that supports a wall. · This house's underpinning is not up to standard.
- A basis for something. · I would like to know more about the underpinning of this political theory.
- The lower body or legs.
复数 underpinnings
在真实文章中学习underpinning
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