So, yes, we need some levees.

总而言之，是的，我们确实需要一些堤坝。

Reporters were often invited to levees .

新闻记者常被邀参加接见会。

We need levees to protect places like these.

我们需要用堤坝来保护这些地方。

The pressure on dams and levees is very strong.

大坝和防洪堤的压力巨大.

It's a generic model of a river with no levees.

这就是一个典型的没有堤坝的河流模型。

The pressure on dams and levees are very strong.

大坝与河堤的压力非常大.

Here, we tend to build levees right next to rivers.

在美国，我们习惯直接在河岸上修筑堤坝。

Many dams and levees need seepage treatment in our country.

我国有许多大坝和堤防需要进行防渗处理.

But there's a growing body of research that shows levees push flooding onto surrounding communities that have lower levees or no levees at all.

问题是，越来越多的研究都表明，堤坝是会将洪水推向堤坝较低或根本没有堤坝的周边社区的。

The side with the lower levees is at a clear disadvantage.

显然，堤坝较低的那边劣势一些。