underpin

verb

(transitive) To support from below with props or masonry. / (transitive, figuratively) To give support to; to corroborate.

Education is underpinned by a strong foundation of knowledge.

意味（1）

(transitive) To support from below with props or masonry.

You should underpin the mine roof to prevent further collapse.

意味（2）

(transitive, figuratively) To give support to; to corroborate.

Public confidence in politicians must underpin our democracy.