v.從下頭支持；支撐
These developments are underpinned by solid progress in heavy industry. 重工業(yè)的穩(wěn)固發(fā)展為這些進展打下了基礎。
There are,however,two secular trends that underpin the growth in the industry. 然而，有兩項長期因素支撐著這行業(yè)的增長。
n.腿
