pump away at

例句：

1. 1. The pump is working well to pump away at the water.
   这个泵工作得很好，正在将水抽干。
2. 2.The farmer pumped away at the well for hours to get more water.
   农民花了几个小时来从井里抽更多的水。
3. 3. The floodwaters were pumped away at by the emergency response team.
   紧急响应团队将洪水中的水抽走了。