underpin

un·der·pin /ˌʌndəˈpɪn $ -ər-/ verb (underpinned, underpinning) [transitiveT]

1 PROVEto give strength or support to something and to help it succeed 巩固，支持

the theories that underpin his teaching method

支持他的教学方法的理论

America’s wealth is underpinned by a global system which exploits the world’s poor.

美国的财富是靠一个剥削全世界穷人的全球体系来支撑的。

2. STRONG OBJECT technical to put a solid piece of metal under a wall or house in order to make it stronger 加固〔墙体或房屋〕的地基

—underpinning noun [countableC, uncountableU]

Examples from the Corpus

underpin• Good independent journalism underpins a free, democratic society.• These two scientific discoveries have underpinned modern agriculture.• The home loans underpinned mortgage bonds.• Such hopes have underpinned the euro's recovery against the dollar over the past month or so.• This mindset underpins the future of food.• This was at odds with the view of mathematics and the theory of learning underpinning the innovation with which she was involved.• Contract law has been of major importance in underpinning the market, although other areas of law have also had a bearing.• We firmly believe it must also underpin the operations of the minerals industry.• We very much hope that such reforms will underpin the peace process.

From Longman Business Dictionary