Dirty air and water are harmful.
肮脏的空气和水是有害的。
If the two media have really different densities, like air and water, then most of the energy is going to be reflected back, very little of it will keep going and get transmitted into the new medium.
而如果这两种介质的密度相差较大，就像空气和水那样，那么大部分的能量将会折射回来，只有一小部分会继续传播进入到新的介质中。
A number of products have been developed which are permeable to air and water.
已开发出许多可渗水透气的产品。
Plants keep our air and water clean.
植物能保持空气清新和水源清洁。
Polluted air and water can kill plants, animals, and even people.
被污染的空气和水可以杀死植物、动物，甚至是人。
In China, the government is trying to solve not only air and water pollution problems but also noise pollution problems.
在中国，政府不仅试图解决空气和水污染问题，还试图解决噪音污染问题。
It may pollute the air and water.
它可能会污染空气和水。
There are laws against littering and against making the air and water dirty.
法律禁止乱扔垃圾，禁止污染空气和水。
The water evaporates and the salts are left behind, creating a white crustal layer that prevents air and water from reaching the underlying soil.
水蒸发留下盐分，形成白色的地壳层，阻止空气和水进入下面的土壤。
We fear the breakdown of the electric grid, the end of non-renewable resources, the expansion of deserts, the loss of islands, and the pollution of our air and water.
我们担心电网会崩溃、不可再生资源会枯竭、沙漠会扩张、岛屿会消失、空气和水会受到污染。
The air and water have dirtied quickly.
空气和水很快就被污染了。
Air and water are indispensable to life.
空气和水是生命所必需的东西。
Hope is as essential to your life as air and water.
希望就如空气和水，是人生的必需品。
CHAPTER V. AIR AND WATER IN THEIR RELATIONS TO WEATHER.
第5章空气、水分与天气变化。
In nearby areas, gold mining has released mercury into the air and water.
而在附近的地方，淘金者们向空气和水源还排放水银。
Global warming refers to the increasing average temperature of the Earth's air and water.
全球暖化指的是地球大气和水体平均温度的上升。
Forests razed can grow back, polluted air and water can be cleaned - but extinction is forever.
森林被毁了还能长出来，空气和水被污染了还能被净化——但物种一旦灭绝就意味着永远失去。
By recycling air and water, the two drink together, breathe together and regulate each other's temperature.
双方休戚相关，通过循环利用空气和水来调控彼此的温度。
There is, in fact, no market mechanism to take account of the cost of polluting the air and water in Hengjiang.
其实，在横江，根本就没有市场机制来顾及当地的空气污染成本和水污染成本。
The opposition is about coal's air and water pollution and the devastating practice of mountaintop removal coal mining.
人们反对的是燃煤带来的烟气和水污染，还有能够削平山头的破坏性采煤行为。
You-you will make no terms with the spirits of fire and earth and air and water. You have made the Darkness your enemy.
你们——你们不与火、土、气、水的精灵妥协，将幽冥王国视作敌人。
Before landing on the beach, the oil had become "weathered," made foamy and gooey by extended exposure to air and water.
冲上沙滩之前，油块经过“风化”，在空气和海水作用下变得泡沫化，有粘性。
Our cities will continue to become more crowded and noisome. The landscape will get more cluttered, the air and water even dirtier.
我们的城市会变得越来越拥挤，景色会变得更加杂乱，空气和水也会变得愈发肮脏。
In the worst-case scenario, the fuel can spill out of the containment unit and spread toxic radioactivity through the air and water.
最糟的情况是，燃料会从容器单位中洒出，有毒的辐射会进入空气和水中。
In the worst-case scenario, the fuel can spill out of the containment unit and spread toxic radioactivity through the air and water.
最糟的情况是，燃料会从容器单位中洒出，有毒的辐射会进入空气和水中。
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