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

河水水位正在上升，官员们希望缓解河水对该市防洪堤的压力。

The levee that we're standing on is called the Corcoran levee.

我们现在站的这个大堤叫做科克伦大堤 。

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。

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

因此，人们沿着河岸修建了人工大堤，想要遏制它的泛滥。

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河或冲破保卫城市的堤岸。

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。

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。

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

建造护堤，有点像堤坝。

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生在2005年路易斯安那州的新奥尔良。

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，保护着科科伦市和两座州立监狱。

It caused catastrophic failure in the levees that protected the city from flooding, contributing to the deaths of 1,500 people.

保护城市免受洪灾的防洪堤被破坏，导致1，500人死亡。

Now, as you can see the structure, we have levees here on the sides, and then internal structures as well.

就像你看到的外面的这些结构和里面这些结构一样。

Some 1,800 people are believed to have died as a result of that storm and the levees were later repaired.

据信，大约1800人死于那场风暴，堤坝后来得到了修复。

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

在这里，沿着河流的曲线，它在海拔约 1.5 米的地方形成了一个天然堤坝。

Luckily, for now, Mississippi's levees are holding.

幸运的是，目前密西西比河的堤坝还在。

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河水。

A lot of the them already have levees around the edges and three feet is difficult but manageable in most places.

许多地方也已经在边缘建立了防洪堤，三英尺对他们来说是困难，但大多数地方还是可以管控的。