get up(或pick up)steam 1. generate enough pressure to drive a steam engine 开足蒸汽驱动发动机; 开足马力, 加速前进。 2. (of a project in its early stages) gradually gain more impetus and driving force (计划的早期)逐渐获得驱动力: his campaign steadily picked up steam. 他的竞选活动稳步地获得越来越多的动力。 |