英语听力：自然百科 揭秘南极大陆

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It is a land of colossal¹ size in extremes. Encompassing² over five million square miles, Antarctica is larger than Europe or Australia. Its thick ice sheets hold 70% of the earth’s fresh water. Yet with the yearly average of only two inches of precipitation, it’s also the world's largest desert. 

 

Antarctica is the windiest and coldest place on earth. Average temperatures here range from the negative 90s in winter to above freezing in the summer along the coast.   

 

Tourists’ journeys to the world’s frozen south most often begin in Ushuaia, Argentina, or Punta Arenas³ in Chile. Though, trips can also be made from New Zealand, Australia, or even Cape⁴ Town, South Africa. Tours often take place during Antarctica’s summer between November and February when the pack ice is at its lowest and wildlife is most active. 

 

Even before making landfall, you can witness sights found almost nowhere else on earth: gigantic icebergs⁵ carved by the wind and the sea, and the flowing caverns⁶, soaring towers and stately arches. For a closer look at the bergs, tourists can travel by Zodiac raft or sea kayak through a maze⁷ of ice in ocean. 

 

While out there, don’t be surprised to become face-to-tail with some of the large denizens⁸ of the deep: humpback whales at their summer feeding grounds, orcas on the prowl, seals big and small and the most famous resident of the South Pole, the penguin⁹. Several species of penguins¹⁰ live in the Antarctic. Throughout the year, the birds breed and lay their eggs. Colonies sprout¹¹ along the coastline.  

 

In addition to spotting wildlife, you can trek¹² past majestic¹³ mountains; visit scientific research stations; and explore historic huts left behind by daring early adventurers; and marvel¹⁴ at a land that is still truly wild.

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