Heavier isotopes tend to be left behind when water evaporates from the ocean surfaces, the remaining ocean water becomes progressively enriched in oxygen 18.
当水从海洋表面蒸发时，往往会留下较重的同位素，所以剩余的海水会逐渐富含氧18这种同位素。
Milk becomes condensed when water is taken out of it.
去除其中的水分，牛奶便成炼乳。
After all, when water use falls, revenue declines.
毕竟，用水量下降营业收入会减少。
There is always excitement when water is discovered anywhere but Earth.
在地球之外的地方发现水总能引起一阵激动。
It happens when water gets trapped in your ears and allows bacteria or fungi to flourish.
当水滞留在耳内并使细菌或真菌滋生时就会生这种病。
The sediments are rich in clay, which forms when water weathers rocks into fine-grained particles.
这些沉积物富含粘土，粘土是由水流将岩石侵蚀成细小的微粒所形成的。
An El Nino event occurs when water temperature in the eastern part of the Pacific Ocean rises abnormally.
当太平洋东部的海水水温异常攀升时，就会产生厄尔尼诺现象。
This marks another year when water gets less attention than oil, and the coming crisis becomes more severe.
今年又将是人类关注石油的一年，而忽略了水危机。今后水危机将变得更加严峻。
The bright white salt pans are dry lakebeds coated with salts and other minerals left when water evaporates.
白色的盐湖其实就是干涸的湖床，上面铺满了水分蒸发后留下的盐和其他矿物质。
The county's drought will last for days, said the local water company. It is unknown when water supplies will resume.
当地自来水公司表示，县城将停水数日，恢复供水时间还不能确定。
Mudslides develop when water rapidly accumulates in the ground and results in a surge of water-saturated rock, earth, and debris.
当雨水迅速累积在土地上并且产生了大量被水浸透的岩石，泥土与碎屑时，泥石流就形成了。
They base this on the previously unconsidered drop in pressure that occurs when water passes from gas to liquid state in condensation.
这是根据先前当水因冷凝由气态变为液态时，气压骤降而得出的。
Green tea is at its best when water that is approximately 85 degrees Celsius is used — not boiling water like other Chinese teas like Iron Buddha and Pu 'er.
水温在大约85摄氏度时，冲泡的绿茶味道最佳——这与铁观音和普洱要用沸水来冲泡有所不同。
In fact, critics say, private water companies usually have very little incentive to encourage conservation; after all, when water use falls, revenue declines.
事实上，如批评人士所说，私人水务公司通常很少鼓励节约用水；毕竟，用水量下降营业收入会减少。
When inactive, the gates will lay flat on the seafloor; when water levels rise, they will be pumped full of air and rise above the surface to block sea water.
平时，闸门平铺在水底；在海水上涨时，闸门被注满空气，浮到水面阻隔海水。
What keeps this vast system clean is a web of earth, plants and animals; when water cannot be in touch with these it is no longer a sustainable and healthy system.
而能保持这一庞大水系统洁净的则是由泥土、植物、动物组成的网络。当水不接触它们时，这个系统就不能再保持正常了。
The project will attempt to artificially build "naleds, " a Russian term for super-thick sheets of ice that naturally form when water flows atop a frozen river or lake.
该工程将试图人工建造一个“naleds”。 该词源于俄语，是指流水经过冰冻的河流或湖泊而自然形成的超厚冰层。
The technique works because when water evaporates at sea, a combination of hydrogen and oxygen isotopes rise to form a cloud, which then releases rain when it moves inland.
这项技术很有效，因为当水从海里蒸发，氢和氧的同位素组合升空形成云，接着飘至陆地上空降雨。
The reason is that milk protein and fruit sugars cannot be adequately removed from these containers and provide an environment for bacterial growth when water is stored in them.
原因在于牛奶蛋白和果糖分很难从容器里完全除去，当容器贮存有水时，就为微生物的生长提供了环境。
The bright yellow arcs that streak the marine cloud layer are ship tracks—clouds that form when water vapor condenses onto the myriad tiny pollution particles in ship exhaust.
划过海洋云层明亮的黄色弧线是船舶的航迹——那是些由水蒸汽与船舶排放出来的无数污染微粒凝结而成的云。
The telltales are specific "lines" in the spectrum of infra-red light from the plume. These correspond to the frequencies of light given off when water molecules are energetically excited.
表明这一迹象的是撞击掀起的尘土中显示的红外线光谱中的一些谱线，其频率与水分子能量激发时所发出光线的频率相应。
Derived from Shuttle Radar Topography Mission (SRTM) data, the white line around the valley in the top image approximates the Lake Suguta shoreline when water levels were at their highest.
根据航天飞机雷达地形测绘数据，上图中山谷周围的白线近似于苏加塔湖水位最高时的湖岸线。
In a season when water levels should be rising behind the dam's 183-meter-high and 2.25-kilometer-long concrete retaining wall, they have held mostly steady around 170 meters since late last month.
这个季节的水位本应漫过大坝高183米、长2.25千米的蓄水坝，但自上月下旬以来，却一直稳定在170米上下的水平。
When water boils it passes into steam.
水沸腾时变成蒸气。
When water levels rise, flooding results.
水位上升，就会发生洪水。
When water vapour condenses into cloud droplets it gives up energy and warms the surrounding air.
当水气凝结成水滴时，能量会被释放出来，使得周围的空气变暖。
When water is scarce, people are often forced to rely on drinking water sources that may not be safe.
在缺水时，民众通常被迫依靠可能不安全的饮用水源。
When water flows around a river bend, it deposits sediment on one bank while cutting away at the ground on the opposite bank.
河在静静流淌，水会在河岸这边留下沉积物，并侵蚀另一边。
When water flows around a river bend, it deposits sediment on one bank while cutting away at the ground on the opposite bank.
河在静静流淌，水会在河岸这边留下沉积物，并侵蚀另一边。
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