A closed system would be, for instance, a glass of ice water with an ice cube in it, with the lid on top.
一个封闭系统可以是，比如说，一杯放了一个冰块的冰水，顶上加了盖子。
Choose non-carbonated, low-sugar drinks instead of ice water.
但是夏季饮水也要注意，正确的饮水方法是选择低糖、无碳酸气的饮料，适量多次饮用，尽量不要喝冰水。
But then he wakes up crying, as if someone has just poured a bucket of ice water on him.
但他醒过来时就会哭，仿佛有人刚刚对着他泼了一桶冰水。
The discomfort associated with sitting in a tub full of ice water scares off some athletes.
坐在装满冰水的浴缸的不适感使一些运动员对这个方法望而却步。
One study forced subjects to endure a tank of ice water for up to three hours (see image above).
其中一个实验的内容是强迫实验对象在充满冰水的水箱内坚持3小时（见上图）。
Let's figure out exactly what you're burning when you drink a 16-ounce (0.5 liter) glass of ice water.
当你喝下一杯16盎司(0.5升)的冰水，身体燃烧卡路里的情况如下。
Crank up the AC, grab a glass of ice water and get ready to enjoy these seven titles guaranteed to help occupy your mind with chilly thoughts.
空调开到最大，端杯冰镇饮料。准备好了嘛，来享受这七款名副其实的消夏游戏吧，冰到你脑壳穿棉袄啊，阿宅！
Answer: When I was a kid and asked my mother for something she felt we couldn't afford, she'd look at me and say, "People in hell want ice water."
回答：当我还是个孩子的时候，我向妈妈要一些她付不起的东西，她看着我说：“住在地狱里的人还想要冰水呢。”
I've been teaching long enough to know that doing derivations in class is equivalent to pouring ice water on the proceedings, so I do this sparingly.
我已经教了这么长时间书，所以我知道在课堂上讲推导，就好像泼冰水一样，所以我在讲这个的时候很小心。
In time I came to enjoy the hot steam of the sauna, but despite my growing love for Finland during several trips since, I could never get into the ice water.
慢慢地我也喜欢上了桑拿的蒸汽，但尽管从那以后我又去了几次芬兰，也越来越喜欢那里，却从没泡过那洞里的冰水。
You can't see it in the film, but underneath all this gear is the EOD tech's best friend: a flame-resistant inner layer that circulates ice water all over the body.
在电影中我们看不到冷却装置，不过，在所有的爆炸品处理套服下面都埋藏着这个拆弹专家的良友：一个内藏式防火层，冰凉的液体灌注其中并流遍全身。
A tourist trap par excellence, this drugstore in South Dakota is famous for its roadside billboards that start advertising 'free ice water' several states away but it's a surprisingly worthy stop.
南达科他州药物墙：一个卓越的旅游陷阱，南达科他州的这个药店因路边的广告牌而出名，它开始在几个州宣传免费冰水。但是它的确令人惊讶的值得你停下来。
The cooling suit runs off of the same onboard battery that powers the suit's lamp, fan, and comm link; a pump circulates a liter of ice water (stored in a specially shaped bottle) from head to toe.
冷却装置和套服中的照明、风扇、通讯器使用同样的内置电源；一个帮浦令一公升冰水(储存在一个形状特殊的容器中)从头到脚进行循环。
Water ice could be melted and purified for drinking.
结冰的水可以融化后净化以供饮用。
Geologists think that this fluidized ejecta crater indicates that a layer of permafrost, or water ice, lies just a few meters under the surface.
地质学家认为，这个具有流体化喷出物的陨石坑表明，在地表下几米深处有一层永久冻土层或水冰。
The total amount of ice is even more awesome if we estimate the water released upon the hypothetical melting of the world's glaciers.
如果我们估算一下假设世界冰川融化所释放的水，那么冰的总量就更惊人了。
The slush is compacted by an unknown mechanism, and solid, bubble-free ice is formed from water high in soluble organic substances.
半融雪通过一种未知的物理过程被压实，而固态、无气泡的冰是由富含可溶性有机物的水形成的。
Before I knew it, the owner Smith was in the water forcing his way through the ice.
我还没反应过来，它的主人史密斯就已经在水里，努力穿过浮冰了。
Prepare an ice-water bath; set aside. Put yolks, sugar, and salt into the bowl of an electric mixer fitted with the whisk attachment.
预备一个冰水盆；放置在一边。把蛋黄、糖和盐放入装有搅拌器的电动搅拌机中。
Furthermore, if the water ice was mixed in with rock and dust, it would be protected from evaporation.
此外，如果水冰与岩石和灰尘混合在一起，它就不会蒸发掉。
The movement of the ocean water under the ice may often cause many different changes on the surface.
冰下海水的运动经常会引起表面上许多不同的变化。
While 75% of our planet is covered with water, only about 2% is fresh water that comes from rivers, lakes, ice and snow.
虽然地球的75%被水覆盖，但只有大约2%是来自河流、湖泊、冰雪的淡水。
Some warming is certain, but the degree will be determined by cycles involving melting ice, the oceans, water vapour, clouds and changes to vegetation and plants.
一定程度的气候变暖是确定无疑的，但其程度将由冰的融化、海洋、水蒸气、云和植物的变化等循环过程所决定。
Such feedbacks might involve ice on land and sea, clouds, or water vapor, which also absorb radiant heat.
这种反馈可能涉及陆地和海洋上的冰、云或水蒸气，这些也会吸收辐射热。
Here water may be stored in ice form for hundreds or even hundreds of thousands of years before being released again into the liquid water system as meltwater.
在这里，水可能以冰的形式储存数百年甚至数十万年，然后再以融水的形式释放到液态水系统中。
Water ice could enable the creation of a self-sustaining moon base someday, a mining camp perhaps, or a departure point for further space exploration.
某天水冻冰块可能会创造一个自给自足的月球基地，也可能是采矿营地，或者是更远的太空探索的起点。
Re-routing Russian rivers to increase cold water flow to ice-forming areas could also be used to slow down warming, say some climate scientists.
一些气候科学家说，为增加流向结冰地区的冷水流量进行的俄罗斯河流改道，也可以用来减缓气候变暖。
In summer, some of the sea ice becomes water.
夏天里部分海冰会融化成水。
Now, however, the sea ice is becoming water earlier than it used to.
然而，现在海冰比以前更早地融化。
If the ice keeps becoming water, one day there might not be any polar bears.
如果冰继续融化，有一天北极熊可能就不复存在了。
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