英式：[ˌʌndəˈpɪn]
美式：[ˌʌndərˈpɪn]
v.从下头支持；支撑
用作动词 (v.)
These developments are underpinned by solid progress in heavy industry. 重工业的稳固发展为这些进展打下了基础。
There are,however,two secular trends that underpin the growth in the industry. 然而，有两项长期因素支撑着这行业的增长。
underpinnings
n.腿
