It goes some way towards explaining why books about swimming, in which people tackle icy lakes, race in rivers and overcome oceans while reflecting on their lives, have recently become so popular.
这在一定程度上解释了为什么关于游泳的书最近变得如此受欢迎，在书中，人们在反思自己生活的同时，应对结冰的湖泊，在河流中赛跑，征服海洋。
In rivers, seas and oceans, there are industrial wastes.
在江河湖海里到处都有工业垃圾。
What was around the bend in rivers hundreds of millions of years ago?
几亿年前，蜿蜒的河流的两岸是什么呢？
The reactive nitrogen in acid rain kills insects and fish in rivers and lakes.
酸雨里的活性氮将河和湖里的昆虫和鱼杀死。
Eels may spend decades in rivers before returning to the ocean to spawn, after which they die.
鳗鱼在河里也许要生活几十年，然后返回大海产卵，继而死去。
"We know the cause of this crisis," says Bestman Nnwoka, who co-ordinates the amnesty in Rivers state.
河州停火特赦协议的调解人百斯特门纳沃卡说，“我们知道危机产生的原因。”
They are among the worst despoilers of Colombia's environment, releasing mercury in rivers and clearing forest.
他们是哥伦比亚最恶劣的破坏环境者之一，在河川里倾倒水银并任意砍伐森林。
Blue catfish is native to 20 states, primarily within the Mississippi river Basin but also in rivers along the Gulf Coast.
蓝鲶在美国的20个州都有分布，最初生活在密西西比河盆地和墨西哥湾沿岸的河流中。
In Costa Rica and Mexico, these markets let water users compensate upstream forest owners for reducing sediments in rivers.
在哥斯达黎加和墨西哥，环境市场让用水户补偿上游林地所有者，以减少河流中的泥沙淤积。
Thirdly, pollution is also a worrying problem—water in rivers and wells becomes undrinkable because of industrial wastes.
另外，因为工业污染，有些水已经不适宜饮用了。
Glaciers are melting rapidly, which causes flooding (as recently in Pakistan) but decreases the amount of water in rivers or lakes.
冰川正迅速地融化，这将带来洪水(就像最近在巴基斯坦发生的那样)，但却会导致河流和湖泊里的水减少。
Water levels in rivers are low, with the result that hydroelectric plants are generating about a fifth less electricity than normal.
河流水位普遍偏低，这就导致了水力发电站只能产出不到平时五分之一的发电量。
Not only was gold mined there, it was found in rivers too, where the gold particles were collected using lanolin-rich sheepskins.
人们不但在这里开挖金矿，而且在河里也能找到黄金。 人们用富含羊毛脂的羊皮在河水中收集黄金颗粒。
And that is what I deny. That is what I claim is not capable in human beings. It's capable in rivers, in chemicals, but not in human beings.
而这正是我否定的地方，这就是我所说的，不是人类的能力，在河流有能力，在化学品，而不是在人类。
It's not unlike humans' prodigious use of fertilizers today, which can cause large algal blooms in rivers, lakes and even the Gulf of Mexico.
这和今天人类施肥惊人的相似，它导致大量的河湖底部甚至墨西哥湾的海藻出现。
It's been known to swim hundreds of miles upstream in rivers like the Mississippi and can be found in fresh water many miles from the ocean.
牛鲨曾经沿如密西西比河逆流而上数百里，也可以在远离大海的淡水区域发现它们的踪迹。
Just as the relentless movement of water in rivers and streams can smooth the jagged edges of rocks over time, ocean currents can smooth ice fragments into round shapes.
奔流不息的河水，随着时间流逝，能够将边缘锋利的石头打磨光滑，与此类似，洋流也可以将冰块的边缘打磨圆润。
Poor sanitation also contributes significantly to water pollution—adding to the cost of safe freshwater for households, and reducing the production of fish in rivers and lakes.
较差的卫生条件也大大加重了水污染，从而增加了家庭的安全饮用水费用，降低了河湖渔业产量。
Another species, Laganosuchus thaumastos, was of similar length but had a pancake-flat head and is thought to have lurked in rivers with its jaws open, waiting for unsuspecting fish to pass.
另一个物种，薄饼鳄(Laganosuchusthaumastos)，身长与野猪鳄相似，但有一个煎饼样的平头。据认为，它潜伏在河流中，长大嘴，等待一无所知的鱼儿游过。
These microscopic plants, commonly observed as a brown skin coating submerged stones in rivers and lakes and as phytoplankton in seas and oceans, typically contain oil droplets inside their cells.
这些微型植物，常见形态为在江河湖泊中石头表面的褐色地衣或海洋中的浮游物，在他们的细胞中通常含有油滴。
We live in lakes, rivers and seas.
我们生活在江、河、湖、海里。
In a normal water phase, rivers eventually empty into oceans, and once in the oceans, the Phosphorus gets absorbed by water plants like algae.
在正常水相下，河流最终流入海洋，而一旦进入海洋，磷就被藻类等水生植物吸收。
The parks already attract specialist visitors, including mountaineers, who come to climb the technically difficult peaks, and fishermen, lured by the salmon and trout in the region's rivers.
这些公园已经吸引了专业游客，包括来攀登技术难度高的山峰的登山者，以及被当地河流中的鲑鱼和鳟鱼吸引的渔民。
Whales originated in the freshwater lakes and rivers of ancient Asia about sixty million years ago.
鲸鱼起源于大约六千万年前亚洲的淡水湖泊和河流。
There are many lakes and rivers in your country. We also have many rivers, but only a few lakes.
你们国家有许多河流和湖。我们有许多河，但是没有什么湖。
These dams blocked access to upstream spawning beds for six species of salmon on what once was one of the most productive salmon rivers in the world.
这些水坝阻断了6种鲑鱼的上游产卵地，而这条河曾是世界上鲑鱼产量最高的河流之一。
The pike lives mainly in large rivers and lakes.
梭鱼主要生活在大的江河湖泊里。
The pike lives mainly in large rivers and lakes.
梭鱼主要生活在大的江河湖泊里。
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