pack ice

音標(biāo)發(fā)音

Polar bears living in a large southern edge of the Arctic pack ice zone.
北極熊生活在有大片浮冰的北極南部邊緣地帶。
When the Belgica became stuck in pack ice, her crew achieved the unintended distinction of being the first humans to overwinter in the Antarctic.
貝爾基卡號被困于浮冰之時(shí)，他的船員們意想不到的成為第一批在南極過冬的人。
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是俄羅斯大型，動(dòng)力最強(qiáng)的破冰船之一，是有能力破開北極厚厚的冰層通行的少數(shù)船只之一。

Polar pack ice, ice that builds up over many years, has not been seen for eight years.
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One afternoon last winter, two ships lined up side by side in a field of pack ice at the mouth of the Ross Sea, off the coast of Antarctica.
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The pack ice became all but impenetrable.
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a large mass of ice floating in the sea that has been formed by smaller pieces of ice being forced together

Pack ice is an area of ice that is floating on the sea. It is made up of pieces of ice that have been pushed together.