polar怎么读,polar的音标和真人发音
英音  [ˈpəʊlə(r)]    
美音 [ˈpoʊlə(r)]    

polar是什么意思,polar的意思是

adj.极地的,两极的;正好相反的;[化,物]磁极的,有磁性的
n.[几]极线,极面
所属分类: CET6TEM4IELTSGRE考 研
使用频率:
星级词汇:

polar的词源和记忆技巧

polar 地级的,两级的,截然对立的
来自pole,地级,两级。引申词义截然对立。

polar 的用法和双语例句“点击”或“选中”例句中的单词,就可以看到词义解释

Suddenly , polar melting was no longer a distant prospect .
突然间,北极的融化已经离我们不远了。
Auroral activity results from atomic particles spiralling into the earth 's north and south polar atmosphere along magnetic field lines and then colliding with atmospheric molecules , resulting in the emission of energy in different forms including light .
极光是由于粒子螺旋进入地球南北极的大气中与分子相互碰撞而产生,造成了包括光的各种能量的释放。
The moon was once thought to be dry . Then came hints of ice in the polar craters .
月球曾被认为很干燥,而后又有迹象显示在极地的月坑有冰。
One concerned a 20-year-old hypothesis , supported by radar observations from earth , that suggested some polar craters might hide reserves of water-ice .
其中一个假说存在了20年的,这个假说认为一些极地的火山口处有刨冰存在,这个假说已通过地面雷达观测证实了。
The deposits in the lunar craters may be as informative about the moon as ice cores from earth 's polar regions are about the planet 's past climates .
在月坑里的沉积物可能含有与月球相关的丰富信息,就像地球极地的冰芯那样,含有许多过去气候的信息。
Between now and early september , when the polar pack ice shrivels to its summer minimum , they will pore over the daily sea ice reports of america 's national snow and ice data centre .
从现在到九月初,极地的积冰逐渐缩减到夏季最小量,这都会在美国国家冰雪数据中心的海冰报告里得到关注。