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[气象]北极气团
北极空气
1、arctic sun───北极太阳
2、arctic hare───北极野兔
3、arctic wolf───北极狼
4、arctic zone───北极带；北极区；寒带
5、arctic ocean───n.北冰洋；n.北极海，北冰洋
6、arctic───adj.北极的；极寒的；n.北极圈；御寒防水套鞋；n.(Arctic)人名；(英)阿克蒂克
7、arctic desert───北极荒漠；极漠
8、arctic sea───[医]北冰洋；北冰洋（等于北极海）
9、Arctic bear───北极熊
1、That pattern allows the jet stream to blow unimpeded from west to east and keeps the cold Arctic air largely north of the United States.───正常年份的形势使得大气急流毫无阻拦地自西向东横穿美国以北地区。
2、Pilots say the cabin of the plane would have quickly depressurized, filling the cockpit with a roar of frigid, Arctic air.───飞行员说机舱急速降压，驾驶舱被呼啸而至的寒冷的北极空气填满。
3、As the Arctic air warms, it raises the altitude of discrete areas of high pressure, which can then alter wind patterns.───随着北极的空气变暖，它提出了离散领域的高压力，这样就可以改变风的模式高度。
4、This is the time of year when blasts of Arctic air start sweeping across Mongolia's steppe, ushering in the long, hard winter.───每年这时，北冰洋的刺骨寒风开始席卷蒙古大草原，迎接着漫长而寒冷的冬季。
5、Summary: . Arctic air is warming twice as fast as the atmosphere and Arctic sea ice is melting year by year.───概述：由于北极上空空气两倍速暖化，北极海面浮冰逐年减少。
6、air flowacts like a fence to keep Arctic air confined.───气流就像一个屏障，把北极空气给禁锢了起来。
7、But in the eastern United States, like some other unlucky parts of the globe, Arctic air is swooping down from the north.───然而，和其他不太幸运的地区一样，美国东部正遭遇一股从北方呼啸而下的冷空气。
8、Instead, frigid Arctic air has descended upon much of northern Europe.───代替的是，寒冷的北极冷空气长驱直入进入欧洲北部上空。
9、The reason is that Arctic air is warming twice as fast as the atmosphere as a whole.───原因在于，北极大气的变暖速度两倍于整个地球大气层。