underpin

• 动词，表示支持、加固或为某事物提供基础，既可用于物理上的支撑，也可用于抽象意义上的奠定基础或作为依据。

A verb used to indicate the act of supporting, strengthening, or providing a foundation for something, either physically or metaphorically.

1. Support from beneathC1formal

   To support or strengthen something from below, often used in construction or engineering.

   从下方支撑

   • The engineers decided to underpin the old foundation with concrete pillars.
   • Steel beams were used to underpin the collapsing wall.
   • The structure was underpinned to prevent further sinking.

   同义词bracebuttresscarryhold uppropreinforceshore upstrengthensupportsustain

2. Support with evidence or authorityC1formal

   To strengthen or confirm an argument, theory, or claim with evidence or authority.

   支撑

   • The research findings underpin the theory of climate change.
   • Her testimony underpins the prosecution's case.
   • The data underpins the need for new safety regulations.

   同义词backbear outbolsterbuttressconfirmcorroboratereinforcesubstantiatesupportvalidate

   反义词disproverefuteundermineweaken