定义
to pump up (a tire, the volume): (给轮胎)打气,充气,扩充(体积)
- "We've increased the voltage on our electric shock feature, we've pumped up the volume on our alarms and we've added infra-red capabilities to our video surveillance systems. Act now and we'll include at no extra cost, the ultimate canine insurance system: a live Rottweiler to complement the SSSS5000!"
进一步了解…
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