他绞尽脑汁想挤出一首诗来。
If you want to pump up your motivation, then hit the gym.
如果你想给自己一些动力，那么去健身房吧。
You need to pump up that tyre.
你需要给那个轮胎充气。
First of all, we need to pump up the balloons.
首先，我们必须将汽球充气。
They have cut prices in an attempt to pump up sales.
为了增加销售量他们减价销售。
They have cut prices in an attempt to pump up sales.
他们降低了售价，试图通过此来促进销售量大幅增长。
They have cut prices in an attempt to pump up sales.
他们降低了售价，试图通过此来促进销售量大幅增长。
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