JeffRen1966
参考英英词典,有三个意思:step up:1 increase in extent or intensityThe Allies stepped up the bombing翻译成:加强,增加,升级2speed uplet's step up production翻译成:加快,加速3make oneself visibleYoung people should step up and help their peers翻译成:出列,脱颖而出
糖果屋de芒果
增加(数量); 提高(速度、强度等); 例句He urged donors to step up their efforts to send aid to Somalia他敦促各捐赠方加快速度将援助物资送往索马里。
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