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英语听力：2012-01-25 从南极到北极 From Pole To Pole—4

时间：2014-01-20 07:21:46

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（单词翻译）

 Day 10. And the mother has let her cubs1 a mile from the den2. It’s time to put them to the test. They’ve grown enormously in confidence, but they don’t have their mother’s sense of urgency. At last it seems that they are ready for their journey. And they are only just in time, for a few miles in the coast the ice is already splitting. Now the mother can start hunting for the seals they must have. But she is leading her cubs into a dangerous new world. Nearly half of all cubs die in their first year out on the ice. 

 
Summer brings 24 hours of sunlight and a thawing3, shifting landscape. Futher south, the winter snows have almost cleared from the Arctic tundra4. Northern Canada’s wild frontier. Here, nature stages one of her greatest dramas. 
 
Every year, three million caribou5 migrate across the Arctic tundra. The immensity of the herd6 can only be properly appreciated from the air. Some herds7 travel over two thousand miles a year in search of fresh pastures. This is the longest overland migration8 made by any animal.

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1 cubs 01d925a0dc25c0b909e51536316e8697     
n.幼小的兽，不懂规矩的年轻人( cub的名词复数 )
参考例句：
  • a lioness guarding her cubs 守护幼崽的母狮
  • Lion cubs depend on their mother to feed them. 狮子的幼仔依靠母狮喂养。 来自《简明英汉词典》
2 den 5w9xk     
n.兽穴；秘密地方；安静的小房间，私室
参考例句：
  • There is a big fox den on the back hill.后山有一个很大的狐狸窝。
  • The only way to catch tiger cubs is to go into tiger's den.不入虎穴焉得虎子。
3 thawing 604d0753ea9b93ae6b1e926b72f6eda8     
n.熔化，融化v.（气候）解冻( thaw的现在分词 )；（态度、感情等）缓和；（冰、雪及冷冻食物）溶化；软化
参考例句：
  • The ice is thawing. 冰在融化。 来自《现代英汉综合大词典》
  • It had been snowing and thawing and the streets were sloppy. 天一直在下雪，雪又一直在融化，街上泥泞不堪。 来自英汉文学 - 嘉莉妹妹
4 tundra dmtwW     
n.苔原，冻土地带
参考例句：
  • The arctic tundra is at the top of the world around the North Pole.北极冻原是指北极点周边的地区，是世界最高的地方。
  • There is a large amount of methane gas under the Siberian tundra.西伯利亚的冻土地带之下有大量的甲烷气体。
5 caribou 8cpyD     
n.北美驯鹿
参考例句：
  • Afar off he heard the squawking of caribou calves.他听到远处有一群小驯鹿尖叫的声音。
  • The Eskimos played soccer on ice and used balls filled with caribou hair and grass.爱斯基摩人在冰上踢球，他们用的是驯鹿的毛发和草填充成的球。
6 herd Pd8zb     
n.兽群，牧群；vt.使集中，把…赶在一起
参考例句：
  • She drove the herd of cattle through the wilderness.她赶着牛群穿过荒野。
  • He had no opinions of his own but simply follow the herd.他从无主见，只是人云亦云。
7 herds 0a162615f6eafc3312659a54a8cdac0f     
兽群( herd的名词复数 )； 牧群； 人群； 群众
参考例句：
  • Regularly at daybreak they drive their herds to the pasture. 每天天一亮他们就把牲畜赶到草场上去。
  • There we saw herds of cows grazing on the pasture. 我们在那里看到一群群的牛在草地上吃草。
8 migration mDpxj     
n.迁移，移居，（鸟类等的）迁徙
参考例句：
  • Swallows begin their migration south in autumn.燕子在秋季开始向南方迁移。
  • He described the vernal migration of birds in detail.他详细地描述了鸟的春季移居。

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