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.

西西比河水位已经超过了苏里州圣路易斯北部一些小型河堤。

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.

河水水位正在上升，官员们希望缓解河水对该市防洪堤压力。

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

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，年久防洪堤有决堤危险。

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

其中最严重一次决堤事故发生在2005年路易斯安那州新奥尔良。

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

因此，人们沿着河岸修了人工大堤，想要遏泛滥。

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英里长堤坝，保护着科科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西西比河或冲破保卫城市堤岸。

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

在这里，沿着河流曲线，在海拔约 1.5 米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海堤和防洪堤升级。

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年内有崩塌可能性。

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堤坝及试图在下面渗透河水。

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

幸运是，目前西西比河堤坝还在。

A happy and touching scene was witnessed immediately upon our reaching the levee.

刚到大堤，就看到了幸福感人一幕。

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.

就像你看到外面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。