| 1. | Arctic sea - ice was rapidly disappearing
北极冰层正快速消失。 |
| 2. | The extent of arctic sea ice was also the second lowest on record last year
去年，北极海冰冻的范围同样达到历史第二低。 |
| 3. | The extent of arctic sea ice was also the second lowest on record last year
去年北冰洋上结冰的范围也处于历史上第二低的水平。 |
| 4. | Sea ice covers the arctic sea , occupying 7 % of the surface of the world ' s oceans
海冰覆盖着北冰洋，它占据了世界大洋表面积的7 % 。 |
| 5. | Arctic sea smoke
北冰洋蒸发雾 |
| 6. | Time - space distribution of water content in the snow on arctic sea ice surface in summer
北极夏季海冰表面积雪层内水分含量的时空分布 |
| 7. | In august , 2007 , measurements showed arctic sea ice was 30 % below historic averages
2007年8月，测量表明北极海冰低于历史平均水平30 % 。 |
| 8. | Recent research reveals that the area covered by arctic sea ice is rapidly receding
最近的研究表明北极海冰覆盖的面积正在迅速地减退。 |
| 9. | To protect the whale from the cold of the arctic seas , nature has provided it with a thick covering of fat called blubber
大自然为保护鲸，使它不致在北冰洋受冻，便让它长了一曾厚厚的脂肪，叫做鲸脂。 |
| 10. | To protect the whale form the cold of the arctic seas , nature has provided it with a thick covering of fat called blubber
大自然为了保护鲸鱼，使它不致在北冰洋受冻，便让它长了厚厚的一层脂肪，叫做鲸脂。 |
