underpin

/ˌʌn.dɚˈpɪn/ 动词 C1

中文：支撑

To support from below with props or masonry. (transitive) · You should underpin the mine roof to prevent further collapse.
To give support to; to form a basis of; to corroborate. (figuratively, transitive) · Public confidence in politicians must underpin our democracy.

He/she/it underpins · 过去式 underpinned · 过去分词 underpinned · -ing形式 underpinning

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