Gravity pulls down cold air, and warm air rises.
重力令冷空气下沉，暖空气上升。
Without those masses of cooling sea ice, warm air brought to the Arctic can penetrate further inland than it ever did before.
如果没有这些大量冷却的海冰，被带到北极的暖空气可以比以前更深入渗透到内陆。
Suddenly, there appeared a hole in their nest. The cold wind blew in through the hole and got away the warm air from the nest.
突然，他们的巢里出现了一个洞。冷风从洞里吹进来，把巢里的暖空气吹走了。
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.
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。
Currents of warm air keep the hang-gliders aloft.
悬挂式滑翔机借着暖气流在高空飞行。
The climate is mild because the warm air from the west.
气候是温和的因为西方来的暖流。
Water vapor in the rising warm air condenses to liquid water.
上升的暖空气中的水蒸气冷凝成液体的水。
Moore and Rizzoli sat sweating in the car, warm air from the AC vent.
莫拓森和芮黎真坐在车里，汗流浃背，可空调里吹出的风居然是热的。
He says warm air over the Atlantic will cause increased hurricane activity.
他说，大西洋上空的暖空气是造成严重的飓风的原因。
As warm air rises from a place, cool air rushes in to full the space left behind.
热空气从一个地方上升时，冷空气快速地流过来填充所留下的空间。
As warm air rises cool air is drawn in to replace it creating a convection current.
热空气上升，冷空气补充取代之，就产生了对流气流。
The same events brought warm air from the tropics to Greenland, so it was getting warmer.
而同样的‘阻塞事件’却将热带地区的暖空气带向了格陵兰岛，所以这一地区就变得更加温暖。
Third: humidity: simulation of the human body produces a mosquito moist, warm air flow.
第三：湿气：灭蚊器产生模拟人体的潮湿的、温暖的空气流。
Warm air is less dense than cooler air so it ends up layered on top of the downward moving cooler air.
热空气比冷空气密度小，因此热空气总在冷空气上方。
I know I have a hard time concentrating when I'm breathing in stale or warm air and it affects my work.
我知道自己在污浊或暖空气里会很难集中精神，也影响工作。
To combat cold weather birds ruffle their feathers trapping layers of warm air to insulate their bodies.
为了抵御寒冷天气，鸟儿们竖起羽毛，裹住一层层的暖气，使身体与外界隔绝。
A whiff of warm air ascended to his nostrils, and there, curled up under the snow in a snug ball, lay Billee.
一阵温暖的呼吸气息钻进了自己的鼻腔——原来是Billee蜷缩在下面的一个雪窝里。
If the wind is strong, it penetrates your clothes and removes the insulating layer of warm air around you.
如果风很大，它会穿过你的衣服把那层保暖的暖气给吹走。
They also have 30 percent more feathers in the winter and can fluff them up, trapping a layer of warm air.
它们的羽毛在冬季也要增加30%，它们把羽毛蓬松开，来保留住一层温暖的空气。
The land breeze brings warm air farther inland during the day and at night it brings cool air further inland.
陆风白天把温暖的气流送往内陆，晚间将冷气流送往内陆。
The warm air from the stove made him sleepy, and he forgot to open one of the air-holes before going to sleep.
炉子里散出的热气让他感到瞌睡，在睡着前，他忘记打开一个通气孔。
The coming cold is connected to the lower flow speed of the Gulf Stream, which causes it to send less warm air to Europe.
这种极端天气的形成是由墨西哥湾暖流活动速度减缓，从而输往欧洲的暖空气减少所致。
When you close your laptop, iSleep pillow gets filled with warm air, music is being played and after 10 minutes the alarm clock rings.
每当你关上手提电脑，数码睡眠枕头就会充满热气，同时还会播放音乐，10分钟过后闹铃就会响起来。
If we tend to fall asleep, we just close our laptop, a pillow gets filled with warm air, music is being played and after 10 minutes the alarm clock rings.
如果我们想要小憩，只需合上笔记本电脑，靠在贮满了温暖空气的枕头上，音乐响起，10分钟后，闹钟还会唤醒你。
For instance, yawning should not occur when ambient temperatures exceed body temperature, as taking a deep inhalation of warm air would be counterproductive.
举个例子，呵欠在环境温度超过体温时不大可能发生，因为这时候深吸一口热空气只能帮倒忙。
Extreme rainfall events will also become more frequent and intense in a warmer climate, owing to another simple fact of physics: warm air can hold more moisture.
极端降雨事件在变暖的气候中越来越频繁，越来越强烈，其原因是另一个简单的物理事实：暖空气可以容纳更多的水分。
WONDERWIND - pleasant type of ridge lift that provides unexpectedly good altitude gains. Created when warm air is released from a valley as upper air cools.
奇迹风-一个讨人喜欢类型的山脊上升气流，能出乎意料提供良好的高度收益。这是暖气流被从山谷释放至高空冷却造成的。
WONDERWIND - pleasant type of ridge lift that provides unexpectedly good altitude gains. Created when warm air is released from a valley as upper air cools.
奇迹风-一个讨人喜欢类型的山脊上升气流，能出乎意料提供良好的高度收益。这是暖气流被从山谷释放至高空冷却造成的。
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