warm up
phrasal verbwarm up
to prepare for physical exercise or a performance by doing gentle exercises or practice related noun warm-up(为体育活动或表演)做适应性练习,做准备活动;热身 (of a machine, an engine, etc. )机器、发动机等 to run for a short time in order to reach the temperature at which it will operate well 暖机;预热
warm up | warm somebody/something up
warm something up
to heat previously cooked food again for eating Topics Cooking and eatingc1把(冷饭菜)热一热