Levees normally hold back the water, preventing floods.
防洪大堤通常用来预防洪水。
Splays are commonly formed by currents from crevasses in levees.
嗽叭形堆积通常由堤防决口的洪流所形成。
As the Erie Canal was losing business, some of its levees began to break.
由于伊利运河逐渐失去生意，有些防洪大堤开始破裂。
New buildings include Public Transportation, Industrial Parks, and Levees.
新建筑包括公交系统、工业园、防洪堤。
Levees protecting the delta at themouth of the river are in bad shape, too.
在河流入口处保护三角洲的堤岸也处于危险之中。
But these words do not: flood, drought, hurricane, rising sea levels, bursting levees.
但是洪水、干旱、飓风、海平面上升、堤坝断裂这些词汇却令人惧怕。
The lowest of those levees were built to withstand a one-in-1,000-year tidal surge.
这些防洪大堤中最低的那些堤坝被建设来承受千年一次的潮汐波浪。
To defend Shanghai, engineers have stretched hundreds of miles of levees along its rivers.
为了保卫上海，工程师们已经沿着其河流延伸了几百英里长的防洪大堤。
Fine - grained clay may settle out in the sheltered bays on the outer sides of the levees.
细粒粘土可以沉积在天然堤外侧的隐蔽湾中。
It also mimics the natural flows that used to occur many years ago when the levees were not here.
这跟多年前还没有兴建河堤时，河水自然流入这个湖的情况相似。
The state fears at least 20 levees have been compromised in low-lying communities along the Missouri River.
在沿着密苏里河的低洼地区，该州担心至少有20处防堤被洪水淹没。
Tractors are tilling the land and building earthen rows that will serve as levees once water flows into these fields.
拖拉机在耕地，并且建起一道道田埂，等水流进这些农田时，这些田埂就能起到河堤的作用。
Most of the storm's casualties occurred in southeast Louisiana, where flooding washed away many of the levees protecting the area.
风暴中大多数人员伤亡发生在路易斯安那东南部，因为洪水冲走了许多保护这个地区的堤坝。
The sides of the flow can also cool faster than the center, leading to the formation of wall-like structures known as flow levees.
边缘的熔岩要比中间的冷却的快，这样就形成了像墙一样的结构，我们称之为流堤。
Opening a channel, the Morganza spillway, is meant to relieve pressure on the levees protecting the cities of Baton Rouge and New Orleans.
打开莫干扎分洪道(Morganza Spillway)是为了缓解巴吞鲁日和新奥尔良的堤坝压力。
More than half the city remains underwater 10 days after Hurricane Katrina overwhelmed levees designed to keep the low-lying city dry.
卡特里娜飓风摧毁了为保护这个地势低洼城市而建的堤防10天之后，新奥尔良市一多半地区仍然浸泡在水里。
The vast physical and human disruption caused by the storm and the failure of the levees only heightened the city's sense of precariousness.
暴风雨和堤坝的决口引起巨大的自然灾害和人的恐慌情绪仅仅强化了人们对城市不安全的担忧。
Should not fall in love with love, is never said sigh days, love the people who do not love you is the beginning of the Levees Broke tears.
爱上不该爱的人，是永无天曰的叹息，爱了不爱你的人，是眼泪决堤的开始。
The sides of the flow can also cool faster than the center, leading to the formation of wall-like structures known as flow levees (image center).
熔岩流的边界比中心冷却得更快，形成了被称为流堤(图片中心位置)的似墙的结构。
Officials are reinforcing levees in Illinois, Iowa, and Missouri to prevent further damage from river water that has already closed bridges and destroyed homes.
有关人员正在加固伊利诺伊州、爱奥华州和密苏里州的河堤，防止河水决堤造成进一步的损失。 洪水已经迫使桥梁关闭，房屋被毁。
Water is sloshing over the tops of some levees in New Orleans, but officials say they believe the barriers will hold despite the onslaught from Hurricane Gustav.
海水漫过新奥尔良的一些护堤，但是当地官员认为，这些护堤能够抵挡古斯塔夫飓风的猛烈冲击。
Water is sloshing over the tops of some levees in New Orleans, but officials say they believe the barriers will hold despite the onslaught from Hurricane Gustav.
海水漫过新奥尔良的一些护堤，但是当地官员认为，这些护堤能够抵挡古斯塔夫飓风的猛烈冲击。
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