underpinning
[ˈʌndɚˌpɪnɪŋ]
n.
基础材料;
基础结构;
（学说、理论等的）基础;
（人的）腿;
v.
用砖石结构等从下面支撑（墙等）( underpin的现在分词 );
加固（墙等）的基础;
为（论据、主张等）打下基础;
加强;
例句:
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Ongoing asset sales are underpinning cash returns to shareholder.
来自THETIMES
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Underpinning this success has been an exemplary record of innovation.
具有典范性的创新确保了这次成功。
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But underpinning Mr Armstrong's technology changes is a human touch.
但阿姆斯特朗技术变革的支柱是人情味.
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It was rectified by method of preloaded pile underpinning.
采用预压桩托换法后,恢复正常使用功能.
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This is different because of two major underpinning trends.
来自VOA
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But that contradicts the key factual underpinning of Grutter.
来自WSJ