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英语听力：自然百科 大迁徙之繁衍生息 Need to Breed—5

时间：2014-05-27 08:04:03

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（单词翻译）

 Blood runs freely from slashed1 noses and necks. They even fight dirty, going for the eyes. 

 
The loser's breeding chances for now are ground into the sand. But this beachmaster's triumph is just the beginning of his troubles. Ahead lie dozens of fights and perhaps a hundred matings all for the sake of his bloodline. They need to pass on one's genetic2 legacy3 is a great motivator of migrations4.
 
Nothing else could drive the nomads5 of the Falklands to tolerate life on land. Nothing else could make migrating mothers stand up to great predators6 or to drive potential fathers to travel great distances to deadly battlefields.

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1 slashed 8ff3ba5a4258d9c9f9590cbbb804f2db     
v.挥砍( slash的过去式和过去分词 )；鞭打；割破；削减
参考例句：
  • Someone had slashed the tyres on my car. 有人把我的汽车轮胎割破了。
  • He slashed the bark off the tree with his knife. 他用刀把树皮从树上砍下。 来自《简明英汉词典》
2 genetic PgIxp     
adj.遗传的，遗传学的
参考例句：
  • It's very difficult to treat genetic diseases.遗传性疾病治疗起来很困难。
  • Each daughter cell can receive a full complement of the genetic information.每个子细胞可以收到遗传信息的一个完全补偿物。
3 legacy 59YzD     
n.遗产，遗赠；先人(或过去)留下的东西
参考例句：
  • They are the most precious cultural legacy our forefathers left.它们是我们祖先留下来的最宝贵的文化遗产。
  • He thinks the legacy is a gift from the Gods.他认为这笔遗产是天赐之物。
4 migrations 2d162e07be0cf65cc1054b2128c60258     
n.迁移，移居( migration的名词复数 )
参考例句：
  • It foundered during the turmoils accompanying the Great Migrations. 它在随着民族大迁徙而出现的混乱中崩溃。 来自辞典例句
  • Birds also have built-in timepieces which send them off on fall and spring migrations. 鸟类也有天生的时间感应器指导它们秋春迁移。 来自互联网
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 predators 48b965855934a5395e409c1112d94f63     
n.食肉动物( predator的名词复数 )；奴役他人者（尤指在财务或性关系方面）
参考例句：
  • birds and their earthbound predators 鸟和地面上捕食它们的动物
  • The eyes of predators are highly sensitive to the slightest movement. 捕食性动物的眼睛能感觉到最细小的动静。 来自《简明英汉词典》

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