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1·Let's pump up the volume.

让我们增大体积。

2·Can you pump up my ball for me?

可以帮我把气球充满吗？

3·You need to pump up that tyre.

你需要给那个轮胎充气。

4·He tried to pump up a poem.

他绞尽脑汁想挤出一首诗来。

5·First of all, we need to pump up the balloons.

首先，我们必须将汽球充气。

6·Two submerged plastics pumps pump up in parallel.

两个塑料潜水泵并联泵水。

7·They have cut prices in an attempt to pump up sales.

为了增加销售量他们减价销售。

8·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。

9·Pump up the tires hard before going out on the road.

上路之前先把轮胎打足了气。

10·I have only drawn three, but now let's pump up the volume.

我只是这么画，现在让我们增大体积。