他们想筑堤保护田地以防止洪水。
我们应该采取措施防止洪水威胁那地区。
We should take measures to prevent the flood from threatening that area.
人们正在试图防止洪水淹没他们的房屋。
People were trying to prevent the river from flooding their houses.
人们正在试图防止洪水淹没他们的房屋。
People were trying to prevent the river from flooding their houses.
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