Hurricane Katrina was huge – it broke the levees and flooded the city.

卡特里娜飓风势力很强，摧毁了筑堤，淹没了新奥尔良。

The Mississippi is overtopping a few small levees north of St. Louis and Missouri.

密西西比的水位已经超过了密苏里州圣路易斯北部的一些堤。

They're actually building the levee up another four to five feet.

实际上他们正在把堤坝再加高4到5英尺。

The river levels are rising and officials want to relive pressure on the city's levees.

水水位正在上升，官员们希望缓解水对该市防洪堤的压力。

Building a berm, which is kind of like a levee.

建造护堤，有点像堤坝。

Severe flooding plagued several states today, and threatened to burst through aging levees.

今天几大州遭遇严重洪水，年久的防洪堤有决堤危险。

The super levee will enclose the city inside this red line.

超级堤坝将把城市围在这条红线内。

One of the worst levee failures was in New Orleans, Louisiana in 2005.

其中最严重的一次决堤事故发在2005年路易斯安那州的新奥尔良。

Super levees solve this problem by creating a flood protection zone.

超级堤坝通过建立防洪保护区来解决这个问题。

The Category 3 storm damaged the New Orleans levee system and flooded the city.

这场3级风暴毁坏了新奥尔良的堤坝系统，淹没了这座城市。

It's a 14.5-mile levee that protects the city of Corcoran, the two state prisons.

这是一条14.5英里长的堤坝，保护着伦市和两座州立监狱。

Louisiana's governor says the already swollen Mississippi River could overflow levees guarding the city.

路易斯安那州长称已经涨起的密西西比或冲破保卫城市的堤岸。

Here along the river's curve where it created a natural levee about one and a half meters above sea level.

在这里，沿着流的曲线，它在海拔约 1.5 米的地方形成了一个天然堤坝。

In 2018, New Orleans finished an upgrade on seawalls and levees designed to protect the city.

2018年，新奥尔良完成了用于保护城市的海堤和防洪堤的升级。

U.S. inspectors are finding hundred of levees in danger of failing seven years after Hurricane Katrina.

卡特里娜飓风过后，美国检查人员发现近百座堤坝在未来7年内有崩塌的可能性。

But there's another engineering solution, a much larger one, a super levee.

但还有另一种规模更大的工程解决方案，即超级堤坝。

So artificial levees were constructed along its banks to try and contain it.

因此，人们沿着岸修建了人工大堤，想要遏制它的泛滥。

In Venice, a super levee would divide the lagoon, forming a lake inside the boundary.

在威尼斯，一个超级堤坝将分割泻湖，在边界内形成一个湖。

Right now we have to watch about the levee getting saturated and water trying to seep underneath of it.

现在我们必须监视逐渐饱和的堤坝及试图在下面渗透的水。

We can relocate the tourism from the historical city to the super levee.

我们可以将旅游业从历史名城迁往超级堤坝。