No.I think the Hoover Dam is safe.

不。我认为, 胡佛很安全。

They've constructed dykes, dams, floodgates, canals, pumping stations, and more all in their effort to push the sea back.

他们修建了、、闸、运河、抽站，以及更多的设施，都是为了把海推回去。

The drops came as major dam building projects were carried out along the Yangtze.

这一下降是由于长江沿岸的大型建设程导致的。

Strong waves have damaged a dam in Guangdong province.

广东省一处遭强风暴损坏。

Build a dam, block the stream, work the furnaces night and day.

造筑，阻挡河流，修建熔炉。

They are worried about the potential danger if the dam should break. The river is very wide above the proposed site.

他们担心崩塌可能造成的隐患。这条河比提议的地点宽很多。

Several major rivers were expected to crest overnight and early this morning, and officials are monitoring several dams that might overflow, including one near Vermont's capital, Montpelier.

几条河流预计将在今天凌晨和夜间达到洪峰，官员们正在监测几座可能外溢河的，其中包括佛蒙特州首府蒙彼利埃附近的一座。

There are more than 90,000 of them and most are more than 50 years old.

全国一共有9万座，其中大多数都已超过50年历史。

Beavers build dams and canals for their own protection.

海狸建造“”和河道是为了保护自己。

Gold mining, dam projects on pristine rivers and other growing conflicts.

如开采金矿、古老河流上的程以及其它肆意发酵的矛盾。

A dam built around the river Amstel to protect it from an inland sea.

这座是用来防止内海倒灌，建造在阿姆斯特河上。

The water level in the reservoir was low because of the long drought.

因为久旱，的位非常低。

It's certainly bigger than the Hoover Dam.

它肯定比胡佛还大。

Upon completion, the dam was the tallest manmade structure in the world.

完成时，该是世界上最高的人造建物。

The dam will burst before we make it. We'll drown.

会溃淹死我们。

The dams created many problems for the river.

给河流带来了许多问题。

When completed the Tekeze dam, will be one of the largest in Africa.

塔克兹完之后，将会是非洲最大的之一。

Unfortunately, the construction of the dam has created problems too.

不幸的是，伊代普的建造也带来了问题。

The dam deteriorated during the conflict, including a temporary capture by the Islamic State militants.

这座在军事冲突中受到破坏，而且还曾被极端恐怖组织“ISIS”的武装分子短暂占领。

And key to this canal systems design were barrages: Dam like infrastructure that raised the river's upstream water level so that water can be funneled into canals with gates that open and close depending on water supply and demand.

这种运河系统设计的关键是：像一样的基础设施，可以提高河流上游的位，这样就可以流入运河，闸门可以根据的供应和需求打开和关闭。