VERB
加強(qiáng)…的基礎(chǔ)；鞏固；支撐
If one thing underpins another, it helps the other thing to continue or succeed by supporting and strengthening it.
例句
...mystical themes that underpin all religions...
支撐所有宗教的神秘主題
...the beliefs underpinning contemporary art.
支撐現(xiàn)代藝術(shù)的一些觀念