The rise and fall of water columns look musical.
看水柱的上升和下降的音乐。
When more water power is wanted in a particular district, than there are falls of water to supply it, persons will give an equivalent for the use of a fall of water.
一旦某一地区对水力资源的需要量超过水利资源的供应量，人们就得为使用水利资源支付等价物。
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。
At the base of a mountain in Tanzania's Gregory Rift, Lake Natron burns bright red, surrounded by the remains of animals that were unfortunate enough to fall into the salty water.
在坦桑尼亚格雷戈里大裂谷的一座山脚下，纳特龙湖呈现出火焰燃烧般的亮红色，周围是不幸落入咸水的动物遗体。
Last summer, when Chinese people fought the flood in the South, Beidou helped measure the rise and fall of the flood water.
去年夏天，当中国人民在南方抗洪时，北斗帮助测量了洪水的涨落。
Niagara Waterfalls are 670 metres in width and fall 56 metres in an awesome sheet of water.
尼亚加拉瀑布宽670米，白色水幕飞流直下56米，令人叹为观止。
After being absorbed, the particles of water unite and form clouds; then they fall down in the form of fog, rain, snow, or hail.
原来，水分被空气吸收以后，空气中的水分子就会积聚成云，然后它们会变成雨，变成雪，变成冰雹降落下来。
In the fall of 2007, just 150 miles northwest of Atlanta, the small town of Orme, Tennessee, did run completely out of water.
2007年秋天，在亚特兰大城西北150英里的奥姆镇(田纳西州)上，也几乎出现断水的现象。
They are making spring and fall voyages into the Bering Sea, Arctic Ocean, and Gulf of Alaska to analyze the contents of water retrieved from capsules plunged into the water column.
他们在春季和秋季去到白令海峡北冰洋和阿拉斯加湾通过放入水下的容器来获取样本分析水质的构成。
Because we do not have to worry about paying for water, this gives us money to pay for things like diamonds, that do not fall out of our faucets.
正因为我们不需为饮水付钱，多出的钱可以用来购买钻石等非生活必需品。
"Did the land-loving ancestors of these aquatic groups simply fall into the water, were they driven by hunger or did they seek safety while escaping from predators?" he asked.
难道这些水生种群的陆生祖先只是偶然掉入水中？还是因为饥饿或是躲避食肉动物的猎杀？
Cheik Fall, director of SONES, announced that new water treatment stations are being built and should be operational by December.
SONES主管Cheik Fall宣布，新的水处理站已经开始建设，预计到十二月便可投入使用。
But she never let a drop of water fall on his fire.
但她从不让一滴怀疑的水掉到他的火焰中。
The height of the fall is so great that the stream of water atomizes into a cloud of mist, then trickles back together at the bottom of the plunge and continues on through a cascading run of rapids.
瀑布是下降的高度非常之大，以致使部分流水喷成雾状成为模糊不清的云朵，然后汇成细流与大瀑布一起跌到山下的底部，并继续穿越几个像小瀑布那样的飞奔急流。
Never let the water level fall below the base of the tree or the cut end may seal over, preventing further water intake.
不要让水位降到树基以下，或者树干截面以下，否则截面干涸以后，松树就无法充足的吸收水分了。
The dangerous of canyoneering would rock fall, faulty anchor system, flashflooding, as well as cold water, cold air, change of hypothermia, and little or no chance on rescue.
攀峡的危险有坠石、索具出现问题、泛洪、以及冰冻的水和空气、攀峡者体温过低、获救的机会几乎为零。
This is because the top of the troposphere is normally very cold, causing ascending water vapour to freeze into ice crystals that drift and fall, rather than continuing up into the stratosphere.
这是因为对流层的顶端通常极其寒冷，上升的水蒸汽凝结成飘落而下的冰晶，而没有继续上升进入平流层。
At the bottom of each slippery-sided leaf is a pool of water into which unlucky insects fall and drown.
猪笼草每个滑面叶子的底部都是一个水池，倒霉的昆虫落进去就会被淹死。
In extreme cases, excessive water consumption can even be fatal, if it causes your blood concentration of sodium to fall too low.
在极端情况下，如果过量饮水可以导致你血液中钠的浓度过低，从而丧命。
To that end, the raft of new laws passed last fall calls for cities to cut water use 20 percent by 2020.
为此，去年秋天通过了大量新法，要求在2020年以前将城市的用水量削减20%。
I think I visited the fall at just the right time - enough water was flowing across it to make it impressive, yet not so much water that the fall would appear as one giant sheet of water.
我想我来得正是时候，此时瀑布水量充足，让人印象深刻，但又不至于多得象一帘巨大的水幕。
Feces fall into a drum beneath the toilet. Instead of flushing with water, you use a dry substance.
人的排泄物直接进入到了位于厕所下方的大桶里，但是不需要用水冲洗，你只要使用一种干燥物质就可以了。
3: most experts in newspapers and TV are predicting our party will blow the other side out of the water in most of the country this fall.
这句话说：报界和电视界的多数专家预计今年秋天我们的党将在全国大部分地区把对方打得一败涂地。
Her body was discovered when a horse rider spotted her car after a severe drought had caused the water level of Lake Bancalie to fall by 30ft.
她的尸体被一位骑马者发现是在柏卡烈湖（Bancalie）严重的干旱过后，干旱导致湖的水位下降30英尺，她的车才得以显露。
Perrault was in a hurry, and he prided himself on his knowledge of ice, which knowledge was indispensable, for the fall ice was very thin, and where there was swift water, there was no ice at all.
Perrault很匆忙，同时为自己对冰雪的了解感到自豪，这些了解是不可或缺的，掉落的冰块都非常薄，而有水流的地方，根本就不存在冰面。
Perrault was in a hurry, and he prided himself on his knowledge of ice, which knowledge was indispensable, for the fall ice was very thin, and where there was swift water, there was no ice at all.
Perrault很匆忙，同时为自己对冰雪的了解感到自豪，这些了解是不可或缺的，掉落的冰块都非常薄，而有水流的地方，根本就不存在冰面。
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