It is during these seasons that the differences in temperature between warm and cold masses of air are greatest.
就在这些季节里，热气团与冷气团的温差最大。
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。
The heatwave has been blamed on masses of hot air from the Sahara Desert moving north.
这场热浪归罪于从撒哈拉沙漠向北袭来的大量热空气。
For each degree Celsius of warming, 7% more water is available to rain down from saturated air masses.
气温每升高一摄氏度，就可能从饱和空气团里多降7%的水。
It swirls, as circular motion in air masses is the response to conflicting forces, as seen in the circular motion of tornadoes and hurricanes.
就如我们所看见的龙卷风和飓风进行着圆形运动，由于气团应答着相互冲突的力量，大气层也在进行旋转运动。
Any of several brownish seaweeds of the genus sargassum of tropical Atlantic waters having rounded air bladders and often forming dense floating masses.
果囊马尾藻一种马尾藻属褐色海藻，产于大西洋热带水域，有圆形气囊，常常大片聚集、飘浮在一起。
Each of the preceding classifications of polluted air masses involves primarily particulate pollutants.
上述每类被污染空气基本都含有粒状污染物。
In my mind, I saw the fruits of my labor: masses of color and fragrance perfuming the air just outside my kitchen window.
在我心里，我看到了我劳动的成果：一簇簇鲜艳、芳香的花弥漫在我厨房窗外的空气中。
Where these air masses meet, a narrow zone of storm clouds develops, and thunder storms and sometimes tornadoes occur.
在这些气团相遇的地方，暴风云的狭窄区域形成了，雷雨，有时是龙卷风便出现了。
A dense, white, fluffy, flat-based cloud with a multiple rounded top and a well-defined outline, usually formed by the ascent of thermally unstable air masses.
一种浓密、平底状的白色云块，有一个多重圆形的顶部和界线分明的轮廓，通常是由不稳定的热气团上升形成的。
Frontal characteristics the activity of a front in terms of weather depends upon the vertical motion in the air masses.
锋的特征从天气方面来说，锋的活跃程度依靠空气团的垂直运动。
The frontal cloud is mainly stratocumulus, with a limited depth as a result of the subsidence inversions in both air masses.
锋面云系主要是层积云，由于在冷暖空气团中下沉逆温的作用，云系的厚度受到了限制。
But the new study posits that there are actually four distinct air masses, two north of the equator and two south.
但是，新的研究认为实际存在四种不同的大气团，即赤道以北两个，赤道以南两个。
The SO_2 concentrations studied vary significantly as a function of air masses.
结果表明，SO_2浓度值作为气团类型的函数变化是显著的；
Each of the preceding classifications of polluted air masses involves primarily particulate pollutants.
上述每类污染空气的物质一形成就含有粒状污染物。
Each of the preceding classifications of polluted air masses involves primarily particulate pollutants.
上述每类污染空气的物质一形成就含有粒状污染物。
应用推荐