to support something physically , often by leaning it against something else or putting something under it
发音
例句
1. A worker put a prop against the wall of the tunnel to keep it from falling. 一名工人用东西支撑住隧道壁好使它不会倒塌。 2. The government does not intend to prop up declining industries. 政府无意扶持不景气的企业。