冷空气正由西伯利亚向内蒙古移动。
The cold air masses are moving from Siberia towards Inner Mongolia.
由于冷空气下沉，这些斑点被遮蔽，它们通常比周围的地区要冷得多。
Since cold air sinks, and these spots are shaded, they are usually much cooler than the surrounding area.
来自陆地的冷空气非常强大，它使附近的海洋成为世界上最狂暴的海洋。
This cold air current from the land is so forceful that it makes the nearby seas the stormiest in the world.
对于能够接触到海水的炎热沙漠地区，一个新的温室设计可以产生淡水和冷空气。
For hot desert locations with access to seawater, a new greenhouse design generates freshwater and cool air.
这种现象发生在不结冰的大湖泊附近，这些湖通常被冷空气包围着，并且它们大多数坐落在北半球，就像美国的五大湖一样。
It's a phenomenon that occurs anywhere you have a large lake that doesn't freeze and have cold air flowing over it, mostly in the Northern Hemisphere Like the great lakes in the United States.
因为温暖的空气比冷空气能容纳更多的湿气，所以只有当大气中的水蒸气量随着温度的升高而增加时，相对湿度才会保持不变。
Because warm air can hold more moisture than cool air, the relative humidity will be constant only if the amount of water vapor in the atmosphere increases as the temperature rises.
冰箱里的冷空气会阻止成熟过程。
重力令冷空气下沉，暖空气上升。
冷空气从桌子上的小洞里吹了出来。
沿着热浪南部边缘，热空气与冷空气对撞。
Along the southern margin of the heat wave, the tropical air collided with cooler air.
今年的冷空气也不是美国历史上最寒冷的。
And it is certainly not the coldest air that has descended on the United States.
冷空气从北极和西伯利亚吹来；热空气出自企业高层之口。
The cold air has been blowing out of the Arctic and Siberia; the hot air has been blowing out of the mouths of senior businessmen.
当烟尘和微粒拜谢到空气中以后，有一层冷空气仍然在贴近地面。
A layer of cold air remains near the ground as smoke and fumes pour into it.
热空气比冷空气密度小，因此热空气总在冷空气上方。
Warm air is less dense than cooler air so it ends up layered on top of the downward moving cooler air.
那是因为在高压系统下，冷空气沿山坡下降，并于地势低处聚集。
That's because under high-pressure systems, cold air slides down mountain slopes and pools down below.
事实上，冷空气帽型正在膨胀加宽，直接导致了非洲地区的旱灾。
Indeed it is the widening of this cap of cold air that is the immediate cause of Africa's drought.
垂直的光柱通常是由高空云层里的冰晶掉到寒冷空气中所造成的。
These vertical beams of light are usually created in cold air by ice crystals falling from high clouds.
他把窗子打开，于是一股冷空气突然钻进房来，他又立刻把它关上。
He opened it; but as a rush of cold and piercing air penetrated the room abruptly, he closed it again immediately.
代替的是，寒冷的北极冷空气长驱直入进入欧洲北部上空。
Instead, frigid Arctic air has descended upon much of northern Europe.
其他诱因可能包括冷空气、愤怒或恐惧等极端情绪激发以及体育锻炼。
Other triggers can include cold air, extreme emotional arousal such as anger or fear, and physical exercise.
鱼鳞天是一种天气现象，经常出现在秋冬季节，预示着冷空气的到来。
Mackerel sky is a kind of weather phenomenon which forecasts the upcoming cold air in autumn and winter.
冷空气到达热带后又被加热而上升，然后又有冷空气接着流入。
This cold air is now heated also and rises, while other cold air rushes in after.
在强制热风和冷风系统中，通风管道将热空气的冷空气输送到家里不同的地方。
In forced-air heating and cooling systems, ducts carry hot or cold air to different parts of home.
它的职责不该是吹热气，而是应该确切地告诉我们，这股冷空气到底何时结束？
Its job should not to be blowing out hot air - instead it should be telling us exactly when the cold snap is going to end.
如果直接吸入冷空气，可能会觉得咽喉疼痛。 可以透过围巾或者滑雪口罩呼吸。
Some runners may experience throat irritation if they breathe cold air directly—avoid this by wearing and breathing through a scarf or ski mask.
由此产生的热量形成了一股强劲的高压系统，并把极低的冷空气带到了欧洲地区。
This heat creates a strong high-pressure system that brings cold polar air into Europe.
这就意味着有更多的冷空气聚集于山谷，温差将急剧增大，从而破坏当地的生态系统。
That means more cold air pooling in the valleys and more extreme temperature differences, which could disrupt the local ecosystem.
这样既有助于保暖又可以给那些你不得不吸入的冷空气增加一些温度和湿度。
This will help retain your own body heat around your nose and mouth and will add some warmth and moisture to the air you breathe in.
如果你打开电冰箱门，就会让电冰箱升温，里面的冷空气就会溢出到地板上。
"If you leave the refrigerator door open, you warm up the refrigerator, and all that cool air kind of spills on to the floor," Douglas said.
如果你打开电冰箱门，就会让电冰箱升温，里面的冷空气就会溢出到地板上。
"If you leave the refrigerator door open, you warm up the refrigerator, and all that cool air kind of spills on to the floor," Douglas said.
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