Every currently operating light-water reactor, if deprived of power and cooling water, can melt down.
世界上所有的轻水反应堆，一旦电力和冷却水供应不足，都有可能发生反应堆事故。
That moment never came, despite total spending of more than $2 billion on fuel oil and the aborted light-water reactors.
尽管已经花费总计20多亿美元的燃油又将一座废弃的轻水反应堆扔在那里，但是朝方兑现诺言的那一刻也永远不会来临。
Pyongyang's foreign ministry said in a statement that the construction of an experimental light-water reactor and low enriched uranium were "progressing apace".
平壤的对外发言人在声明中称，实验型轻水反应堆的建设和低浓度铀的提炼取得“飞速进展”。
"Fukushima marked the death of conventional light-water reactors," says Kirk Sorensen, founder of Flibe Energy, a highly regarded nuclear technology startup based in Huntsville, Alabama.
FlibeEnergy创始人科克·索伦森称：“福岛事故标志着传统轻水反应堆的消亡。”Flibe Energy位于美国阿拉巴马州亨茨维尔，是一家备受推崇的核技术初创企业。
Last time we talked about photosynthesis, the process by which plants use light to convert carbon dioxide and water into food.
上次我们讨论了光合作用，即植物利用光将二氧化碳和水转化为食物的过程。
One advantage of acoustic detection is that sound travels rather better in water and ice than light does.
利用声学原理探测中微子的一个优势就是：与光相比，声音在水或冰中更容易传播。
I busied myself putting away food, inspecting the systems that would provide us with light and water and doing an inventory on the available technology.
为了打发时间，我放好食物、观察那个为我们提供光和水的系统，并编制一个可以进行的活动清单。
A maser is a collection of molecules — in this case, water — that amplifies light into a powerful beam.
一个脉泽就是一组分子(在这个话题下就是水分子)，它会把光线放大为强大的光束。
Whales and other Marine mammals, fish, and even some invertebrates depend on sound, which travels much farther in water than light does.
鲸鱼和其他海洋哺乳动物，鱼类甚至一些无脊椎动物依靠声音，声音在水中传播要比光快。
The lack of light explains why spectrometers — instruments that can be used for remote water detection but rely on reflected light to do so — never picked up on the water.
这就很好地说明了我们使用光谱仪，利用物质反射光波，可遥控探测到水分子，但是由于缺少足够阳光，一直没有成功收集水。
We started in the misty early morning, dressed in layers, carrying light packs and plenty of water.
在清晨的雾霭中，我们里三层外三层，携带上轻巧的行李以及大量的水便动身出发了。
So to have the same temperature, a planet needs to be much closer to that star than it would be from the sun, where you'd have a temperature where you might have light and liquid water.
所以一个行星上要有足够的温度，那么这个行星距恒星的距离就得比它距离太阳的距离近，这样，这个行星上才能具备合适的温度，维持一定的光照和液态水。
The experience is always different because both the light and the water level of the lake are continually changing.
这种是一种不同寻常的经历，因为在那里光和湖平面都是在不断变化的。
The tip of the Mississippi delta is surrounded by muddy water that appears light tan.
密西西比三角洲的末端，被浅棕色的浑水环绕着，呈现亮茶色。
The particles the fuel gives off, which travel faster than the speed of light in water, can as a result produce a particular type of light, harmless in itself, called Cerenkov radiation.
这些乏燃料释放出的粒子，它们的速度要快于光速在水中的速度，因此会产生一种名为切伦科夫(契伦科夫)射线的本身无害光线。
The images combine infrared and visible light to increase the contrast between water and land.
这些图片通过结合红外线及可见光来增大水体和陆地的对比。
Water color in the image changes from light blue along the coastline-indicating shallow water-to the dark blue of deeper water away from the island.
在图中沿海岸线附近的海水呈现明亮的浅蓝色——这里是浅水区，到了离岛较远水深更深的地方，海水则变成了深蓝色。
However, despite the number of times that objects, such as the back light or the water bottles, were taken off so that they could be more closely examined, nothing ever went missing.
然而，尽管好几次有人把我车上的东西拿下来，像尾灯、水壶这些，他们只是为了看得更加清楚一点，我从来没有缺失过一样东西。
Internally, the wind towers present interruptions with offerings of natural light, natural breeze and water fountains - pleasant demarcations along the expansive internal circulation.
捕风塔在内部被自然光线、微风和饮水器所打断，这些令人愉快的界线都是沿着开阔的室内动线而设置的。
Not many manage to grow in that competitive environment, where challenges include disease, water and light. But those that do survive are wondrous.
在竞争如此激烈的环境中并没有多少能够生长起来，要面对的挑战包括疾病、水和光。但是那些幸存下来的就顶天立地了。
Water vapour condenses to form thousands of tiny water droplets which scatter light.
水蒸气冷凝形成无数的小水滴，使光线发生散射。
Not many manage to grow in that competitive environment, where challenges include disease, water and light.
在竞争如此激烈的环境中并没有多少能够生长起来，要面对的挑战包括疾病、水和光。
Simon Rhymes uses powerful light bulbs instead of boiling water to cook the egg.
莱姆斯是用大功率电灯泡代替沸水将鸡蛋弄熟的。
The white sulfur reflects light, tinting the water bright green along the Namibian coast.
白色硫磺反光，将纳米比亚沿岸的水着成碧绿色。
One product that disinfects water with UV light is called AquaStar, made by Meridian Design.
其中有种利用紫外线杀菌的产品叫做“水之星”，由子午线设计公司出品。
One product that disinfects water with UV light is called AquaStar, made by Meridian Design.
其中有种利用紫外线杀菌的产品叫做“水之星”，由子午线设计公司出品。
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