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英语听力:自然百科 探索世界奥秘之Wild Africa - Deserts(浩瀚沙漠) Unit13

时间:2020-03-04 17:52来源:互联网 提供网友:nan   字体: [ ]
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    (单词翻译:双击或拖选)

But this hasn't always been so. Over the last 15 million years, Africa's climate has repeatedly swung from wet to dry and back again as Ice Ages have come and gone.

At times the Kalahari has been much drier than it is today, its sands stretching as far as the equator, linking it with the largest desert in the world--the Sahara.

Covering 9 million square kilometers , the Sahara is so vast, the whole of Australia could comfortably fit into it. It is bleak1, inhospitable, and compared to Southern Africa's deserts, very new. Few animals have had time to get to grips with this mighty2 wilderness3, a place where only the hardiest4 can get by. Scimitar-horned oryx are true desert nomads5 , wandering for hundreds of miles across the Sahara in search of sparse6 shrubs7. They've lived long enough in other dry regions of Africa to tackle the hardships of this fierce young desert.

Oryx are unusual among antelopes8 in that females have horns as long as males. They use these formidable weapons to aggressively deter9 outsiders from joining their group, especially, when food is limited. Scimitar-horned oryx are among a handful of tough African mammals able to cope with the Sahara. Only one other creature is tougher.

fit into:适合

get to grips with : 认真处理

Scimitar-horned oryx:弯角剑羚

deter:to prevent or discourage someone from doing something by making it difficult for them to do it or by threatening bad results if they do it. 阻止,威慑


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1 bleak gtWz5     
adj.(天气)阴冷的;凄凉的;暗淡的
参考例句:
  • They showed me into a bleak waiting room.他们引我来到一间阴冷的会客室。
  • The company's prospects look pretty bleak.这家公司的前景异常暗淡。
2 mighty YDWxl     
adj.强有力的;巨大的
参考例句:
  • A mighty force was about to break loose.一股巨大的力量即将迸发而出。
  • The mighty iceberg came into view.巨大的冰山出现在眼前。
3 wilderness SgrwS     
n.杳无人烟的一片陆地、水等,荒漠
参考例句:
  • She drove the herd of cattle through the wilderness.她赶着牛群穿过荒野。
  • Education in the wilderness is not a matter of monetary means.荒凉地区的教育不是钱财问题。
4 hardiest 498a5cbf45862cc3cd016490acc06453     
能吃苦耐劳的,坚强的( hardy的最高级 ); (植物等)耐寒的
参考例句:
  • This trip will season even the hardiest traveller. 这个旅行会让最坚硬的旅行者适应。
5 nomads 768a0f027c2142bf3f626e9422a6ffe9     
n.游牧部落的一员( nomad的名词复数 );流浪者;游牧生活;流浪生活
参考例句:
  • For ten years she dwelled among the nomads of North America. 她在北美游牧民中生活了十年。
  • Nomads have inhabited this region for thousands of years. 游牧民族在这地区居住已有数千年了。 来自《简明英汉词典》
6 sparse SFjzG     
adj.稀疏的,稀稀落落的,薄的
参考例句:
  • The teacher's house is in the suburb where the houses are sparse.老师的家在郊区,那里稀稀拉拉有几处房子。
  • The sparse vegetation will only feed a small population of animals.稀疏的植物只够喂养少量的动物。
7 shrubs b480276f8eea44e011d42320b17c3619     
灌木( shrub的名词复数 )
参考例句:
  • The gardener spent a complete morning in trimming those two shrubs. 园丁花了整个上午的时间修剪那两处灌木林。
  • These shrubs will need more light to produce flowering shoots. 这些灌木需要更多的光照才能抽出开花的新枝。
8 antelopes ca529013a9640792629d32a14a98d705     
羚羊( antelope的名词复数 ); 羚羊皮革
参考例句:
  • One jump, and you're out, and we'll run for it like antelopes.' 你只要一跳就出来了,我们可以像羚羊那样飞快地逃掉。”
  • Most antelopes can withhold their young for weeks, even months. 绝大部分羚羊能把分娩期推迟几个星期,甚至几个月。
9 deter DmZzU     
vt.阻止,使不敢,吓住
参考例句:
  • Failure did not deter us from trying it again.失败并没有能阻挡我们再次进行试验。
  • Dogs can deter unwelcome intruders.狗能够阻拦不受欢迎的闯入者。
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TAG标签:   英语听力  自然百科
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