What is the dike upon which it is built?

建造坝是什么？

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

建造护，有点像坝。

If the dyke goes, you are drowned.

如果坝决 所有人都会被淹死。

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

坝将把城市围在这条红线内。

Some of the money is given to help local beavers build their dams.

部分收入将被捐赠用于帮助本地海狸修筑坝。

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

实际上他们正在把坝再高4到5英尺。

Experts say the large embankment possibly exacerbated the accident.

专家说，大型坝可能剧了事故严重性。

So we're going to have to start armoring the Mall with larger and larger dikes.

因而我们得开始用越来越大坝固国家广场。

Mounds like this can be seen all along the east coast of China.

像这样连岛坝在中国东部沿海也有所见。

And it's simply not realistic to build dikes along the entire coast.

而且沿着整个海岸修建坝是不现实。

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

坝通过建立防洪保护区来解决这个问题。

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

这是一条14.5英里长坝，保护着科科伦市和两座州立监狱。

The traditional approach is to throw bags filled with sand or rocks into a breach.

一旦坝出现裂口，传统做法是向缺口抛掷沙袋和石块。

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

这场3风暴毁坏了新奥尔良坝系统，淹没了这座城市。

The largest of the new devices is designed to block deep breaches.

这些新发明装置中体积最大是设计用来堵塞宽深坝裂口。

They're hoping the barriers will be adjusted to rise sooner preventing any seasonal flooding in the city.

他们希望能尽快调整坝以防止城市发生季节性洪水。

The storm destroyed dikes along several hundred kilometers of coastline.

风暴摧毁了几百公里海岸线上坝。

When a storm threatens, densely populated older districts are protected by traditional dikes.

当一场暴雨逼近，人口密集旧区域会被传统坝保护。

But now, when the dams are closed to produce electricity, water levels rise and fall without warning.

而现在，由于坝关闭来发电，水位升降已经没有预警。

They are buried in important dike locations to record and report the movement of dike stones.

们被埋在坝重要位置，用于记录和报告坝石移动情况。