to prevent sth from falling by putting sth under it to support it 撑起；支起 SYN shore sth↔up
Investments in the U.S. money market have propped up the American dollar…
对美国资金市场的投资扶持了美元。
On the Stock Exchange, aggressive buying propped the market up.
在证券交易所，市场在大量买单的推动下有所上扬。
(often disapproving) to help sth that is having difficulties 帮助；扶持；救济
The government was accused of propping up declining industries.
人们指责政府贴补日趋衰落的产业。