Almost nothing grows on their land; their animals graze on desert bushes; the people mine ingots of salt from what looks like shimmering pack ice.
他们的土地几乎寸草不生；他们在沙漠荒野里放牧牲口；人们从看上去像闪光的浮冰的物质中提炼盐块。
The Yamal is one of Russia's biggest, most powerful icebreakers, and one of the few ships in the world capable of cutting through the thick Arctic pack ice.
Yamal是俄罗斯大型，动力最强的破冰船之一，是有能力破开北极厚厚的冰层通行的少数船只之一。
Icebergs are created when chunks of pack ice break free and float off into open sea.
当大块积冰断裂、漂浮至远海的时候，冰山就形成了。
Perovich was chief scientist on Ice Station SHEBA, a yearlong drift of an icebreaker frozen into the Arctic pack ice.
裴洛维奇也是席巴海冰研究站的首席科学家，他搭乘的破冰船与北极浮冰冻结在一块儿，一起漂流了一年。
The waters surrounding the North Pole between North America and Eurasia. The smallest ocean in the world, it is covered by pack ice throughout the year.
在北美与欧亚大陆之间的环绕北极的水域。是世界上最小的大洋，终年覆盖着浮冰。
Captain Cook proceeded south from Africa and turned around after 18 encountering large amounts of floating pack ice he came within 75 miles of Antarctica.
库克船长从非洲向南航行，在遇到大量浮冰块后折返(他当时离南极洲不到75英里，约121千米)。
Hot water freezes faster than cold water. Ice can appear in nature as snowflakes, icicles, hail, frost, glaciers, pack ice, ice spikes and candles and polar ice caps.
热水比冷水结冰的速度更快。冰在自然界的不同形态有雪花、冰锥、冰雹、霜、冰川、浮冰、冰凌，和极地冰。
Pack ice around Iceland was becoming a threat to navigation.
冰岛周围的浮冰一度成为船舶航行的威胁。
Pack ice around Iceland was becoming a threat to navigation.
冰岛周围的浮冰一度成为船舶航行的威胁。
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