There's a lot of air in loose snow, and this helps to keep cold out.
松散的积雪里有大量的空气，这有助于御寒。
As the weather became colder and colder, people put on more clothes to keep cold out.
随着天气变得越来越冷，人们穿上更多的衣服来抵御寒风。
I have some medication that has to stay cool. But when I put it in the mini-bar, I found it doesn't keep cold.
我有一些药要冷藏，但我把它放到小冰箱里时，发现它不制冷。
Tin can LIDS were tacked over holes in the floor to keep warm air inside and to keep cold wind and mice outside.
马口铁罐头盒盖子被固定在地板上，一是为了室内保温，二是挡住冷风和老鼠。
Though, not like it has warm furry boots or something to keep its feet from getting cold.
不过，不像它有暖和而多毛的长靴或者其它的东西来不让自己的脚变冷。
Your fingers and toes are more prone to frostbite, because those areas will have reduced blood flow in cold temperatures, as your body tries to keep its core warm.
手指和脚趾更容易得冻疮，因为在寒冷的气温中，身体要尽力保持核心温暖，因而要减少那些部位的血液流量。
Hot cereal is perfect for winter mornings and will probably keep you feeling full a little longer than cold cereal.
在冬季早上热点谷物是完美的，比起冷谷物它可能会使你的饱腹感保持得久一点。
Cold storage in a freezer, however, can keep foods in good condition for months after the growing season.
但是，冷冻在冰箱中，可以使食物在生长季节后几个月中保持良好。
The system required to deliver a vaccine is called the “cold chain,” so named for the set of facilities that keep a vaccine cold as it is distributed from the manufacturer to the people who need it.
这个系统需要一种被称之为“冷藏链”的东西，之所以如此命名是因为在把它从生产厂家分发到需求者的手中这个过程中需要一系列的冷藏疫苗的设备。
Although he admits that it's hard to keep motivated when you wake up cold, wet and shattered from a disturbed night in a shop doorway.
尽管他承认，在商店门前睡了个不安稳的觉后，醒来时全身冰冷、潮湿、疲惫不堪，就很难保持积极性。
Its function as fuel is endangering its survival, as even park rangers charged with protecting it have been known to burn it to keep warm on cold nights.
可以作燃料也危及到了它们的生存。即使是负责保护它们的公园巡逻队员也会在寒冷的夜晚不得己地利用它们取暖。
At first, this was merely for function: to keep out the cold weather of the world only beginning to emerge from the great ice age.
一开始，这么做仅仅只是为了驱走天气的寒冷，那时世界刚刚进入大冰期时代。
Here are five tips for entering the cold and flu season to keep your body resilient during this time.
下面就是为你准备的五个建议，他们能够让你的身体在步入这个普通感冒和流行感冒的高发季节时更加的强韧。
She crossed the square in front of the apartment building she now called home, huddling deeper into her parka, the hood drawn over her face in an attempt to keep the cold at bay.
她穿过公寓前的广场，紧裹了裹大衣，用头巾遮住脸，试图抵御寒冷。
Researchers have discovered that concentrating a 'cold plasma' beam on soft fruit kills off the spores which cause mould. It can keep it away for up to a week.
研究人员发现集中一束冷等离子到变软的水果上可以杀死其中导致霉变的孢子，并且这种作用可以维持一个星期。
Hot or cold peach and mint-flavored green tea drinks keep my momentum going during the day.
白天有热的或者凉的桃花或是薄荷味的绿茶使我保持动力。
The same muscles puff up the feathers of birds and the fur of mammals on cold days to help keep them warm.
在鸟类中也有同样的肌肉，在冬天它使得鸟的羽毛膨胀，以达到御寒的目的。哺乳动物也通过毛发来御寒。
This "environmentally responsive" material would keep a soldier not too hot and not too cold, constantly adjusting to outside conditions as well as body heat.
这种“可感应环境”的材料可根据外界环境温度和体温进行自我调节，帮助士兵免受高温严寒的困扰。
The winter was so bitterly cold that the duckling swam about in the water to keep himself from freezing.
冬天非常地寒冷刺骨，因此这只小鸭在水中游来游去以免冻僵了。
Of course, it's not easy to keep your water cold during outdoor runs in the heat.
当然，在室外温度很高的情况下保持水低温不是件容易的事。
The liquid vaccines they require are often temperamental, needing constant refrigeration and thus what is known as a "cold chain" to keep them in tip-top condition as they move from factory to clinic.
液状疫苗通常非常娇气，需要持续冷藏保存，于是在从工厂到诊所的过程中，疫苗都被保存在低温运输系统中享受一流的待遇。
Here, another set of heat exchangers is used to cool the groundwater. This store of cold water is then used in summer to keep the Ooms building cool.
同样是一组热交换器，只是它们是用来冷却地下水的——以供下个夏天冷却公司里那帮汗流浃背的职员之用。
Here, another set of heat exchangers is used to cool the groundwater. This store of cold water is then used in summer to keep the Ooms building cool.
同样是一组热交换器，只是它们是用来冷却地下水的——以供下个夏天冷却公司里那帮汗流浃背的职员之用。
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