When water levels rise, flooding results.
水位上升，就会发生洪水。
Early warnings of rising water levels prevented another major catastrophe.
提前发出的洪水水位上涨警报防止了又一次的重大灾害。
This year water levels in the middle and lower reaches of the Yangtze are unusually high.
今年长江中下游的水位高得不正常。
With stabilized water levels, their homes are much safer.
有了稳定的水位，他们的家就安全多了。
So far this year, water levels have been too high for the flamingos to nest.
今年到目前为止，水位高到火烈鸟无法筑巢。
In fact, dams are primarily a strategy for dealing with annual variations in water levels.
事实上，水坝主要是应对水位年变化的一种策略。
If water levels fall in summer, as they do in most of North America, then beavers lodge entrances may be exposed.
如果夏季水位下降，就像在北美大部分地区所发生的那样，那么海狸居所入口可能会暴露。
If water levels fall in summer, as they do in most of North America, then beavers' lodge entrances may be exposed.
如果像北美大部分地区一样夏季水位下降，那么海狸的小屋入口就会暴露出来。
One very old method used in the investigation of past climatic conditions involves the measurement of water levels in ancient lakes.
在调查过去的气候条件时使用的一种非常古老的方法是测量古代湖泊的水位。
Low water levels make it easy for them to search the ocean floor.
这里的水位较低，使得它们可以很轻松地在海底觅食。
With water levels rising, we may as well start thinking about oceanic living.
随着水位线越来越高，或许我们也应该开始考虑在海洋中居住。
You can imagine water levels as high as two-story buildings within 10 minutes.
你可以想象一下，在10分钟内，水位将达到两层楼的位置。
Falling water levels are not the only changes at Lake Suguta over the past several millennia.
在过去的几千年里水位下降并不是苏加塔湖唯一的变化。
Record low water levels are creating water shortages for both rural and urban areas in eastern China.
中国东部农村和城市地区水位下降，导致水资源短缺。
However, the drought has reduced water levels significantly, and as you can see, all the boats are stranded.
然而，旱灾明显降低了水位，正如你看到的，所有的船都被搁浅在这。
And along the east coast, droughts have reduced the Yangtze River to its lowest water levels in fifty years.
而东部沿岸，大旱则使长江降到了50年来的最低水位。
As a result, the tsunami of 1957 killed no one in Hawaii, even though water levels were locally higher than 1946.
结果，1957年夏威夷的海啸没有造成一人死亡，虽然局部水位比1946年还高。
Climate shifts have alternately raised and lowered the lake's water levels, sometimes nearly drying it out completely.
气候变化造成湖水水面起起伏伏，有时甚至几近干涸。
Adventure advice: Avoid going rafting during the monsoon season (June to September). High water levels make it dangerous.
探险建议：避免在雨季(六月到九月)去泛舟，高水位使泛舟很危险。
The phenomenon occurs in Brazil's June-to-August dry season, when lowered water levels make the pollutants more concentrated.
在巴西，这种现象通常发生在六月至八月的枯水期，这个时候水位下降，污染物便更为集中。
The second dam raised the lake’s level by 3.5 meters (12 feet), and the third dam raised water levels by 30 meters (100 feet).
第二座大坝将湖面抬高了3.5米，而第三座大坝又让水位上升了30米。
The drought, which has lasted for five months, has brought water levels in the middle part of the Yangtze to a near-record low.
已经延续长达5个月的大旱使长江中游地区的水位下降到接近历史最低点。
Scientists fear changes in water levels along the Yangzi could create new snail habitats in areas previously untouched by the disease.
科学家担心由于长江水位的改变，会使得未感染区域滋生一些钉螺栖息地。
In the months before, there had been a swarm of small earthquakes, along with changes in ground-water levels and the elevation of local terrain.
几个月之前，就发生了一连串小地震，伴随而来的是地下水水位和当地地形海拔的变化。
Residents living near Warsak Dam on the outskirts of Peshawar in northwestern Khyber-Pakhtunkhwa province were put on alert as water levels rose.
位于巴基斯坦西北部开伯尔-普赫图赫瓦省白沙瓦郊区的沃尔瑟格大坝的水位不断上升，大坝附近居民处于戒备状态。
Residents living near Warsak Dam on the outskirts of Peshawar in northwestern Khyber-Pakhtunkhwa province were put on alert as water levels rose.
位于巴基斯坦西北部开伯尔-普赫图赫瓦省白沙瓦郊区的沃尔瑟格大坝的水位不断上升，大坝附近居民处于戒备状态。
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