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- Noctilucent clouds are ragged extensions of a more widespread and more permanent layer which forms over the summer polar area at the mesopause. 夜光云是在夏季极地中圈顶之上形成的更广泛更持久的层的参差不齐的延伸。
- This is undoubtedly an once-in-a-lifetime opportunity to learn more about polar conservation and the severeness of climate change towards the polar area. 这是一个难能可贵的机会，一方面能探讨保护北极的问题，也能认识气候变化对北极的影响。
- On the plus side, the solar storms promote the colorful auroras, known as the northern and southern lights, high in the sky over polar areas. 此外,太阳风暴会形成彩色极光,即我们所知的北极光和南极光,出现在极地高空。
- Nickel is to study Arctic spiders during a U.N.-sponsored International Polar Year in 2007-08, a 60-nation project to probe polar areas on the front lines of climate change. 尼克尔将参与一项由联合国发起的“2007－08国际极地年”研究项目，这个有60个国家参加的研究项目计划对处于气候变化前沿地带的南北两极地区展开科考活动。
- The two systems of government are polar opposites. 这两种政体正好相反。
- He steered into the parking area. 他把车开进了停车区。
- Caption:: The dramatical phenomenon, is characterised by having a dashing luminance in the upper layer of the atmosphere, created by the collisions of energetic particles of solar wind with the atoms and molecules in the polar areas. 当太阳风被地球磁场引领至两极地区，与地球大气层的粒子发生碰撞时，便会形成极光，宛如一张色彩斑澜的轻妙扫过夜空，绚丽夺目。
- The slum area was sordid and filthy beyond belief. 该贫民区之污秽肮脏简直令人难以置信。
- The issue has polarized congress. 该争论于国会分裂。
- The flood cut a wide swath in this area. 洪水席卷了这一地区，满目一片疮痍。
- Public opinion has polarized on this issue. 在这个问题上公众的意见已两极分化。
- The luminous intensity on unit area. 单位面积上的发光强度。
- Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
- White lines divide the playing area into sections. 这些白线把赛区分成各个部分。
- The first chapter delimits her area of research. 第一章阐明了她的研究领域。
- Showing no optical activity in polarized light. 无旋光的极化光下无光学反应的
- Sorry. I must have got the wrong area code. 对不起，我一定是拔错地区号码了。
- This is the area that attracts the most attention. 这是最受关注的地区。
- The folk song has a good run in this area. 这支民歌在这个地区非常流行。
- Wet weather is a feature of life in this area. 天气潮湿是这个地区生活的一个特色。
