◎ pump是什么意思 n. 抽水机, 打气筒, 泵, 抽吸vt. 用唧筒抽水, 打气, 盘问, 倾注, 使疲惫vi. 抽水, 上下(或往复)运动 n. a mechanical device that moves fluid or gas by pressure or suctionn. a low-cut shoe without fasteningsv. operate like a pump; move up and do...
