时间:2019-01-10 作者:英语课 分类:与美国小学生一起学英文第12册


英语课

   Crocodile 鳄鱼


  When most dinosaurs 1 disappeared eighty million years ago, some kinds of animal survived. 当大多数恐龙在8000万年前灭绝时,一些动物幸存了下来。
  Crocodiles were one of them. 鳄鱼是其中之一。
  People believe that crocodiles were living two hundred million years ago. 人们相信鳄鱼自两亿年前就存在了。
  Crocodiles have very thick and green skin. 鳄鱼有厚厚的绿皮。
  Some kinds of crocodiles like to live in fresh water and others like salty water. 有些种类的鳄鱼喜欢生活在淡水中,有些则喜欢咸水。
  They usually eat fish, reptiles 2 and mammals. 它们通常吃鱼类、爬行类和哺乳类动物。
  If you ever saw a crocodile, you might think they look very slow. 如果你曾经见过鳄鱼,你可能会觉得它们行动缓慢。
  As a matter of fact, they are very fast. 事实上,它们行动迅速。
  Also, they have very strong teeth and jaws 3. 而且,它们的牙齿和下巴非常强壮。
  These characteristics make crocodiles one of the most dangerous animals in the world. 这些特征使鳄鱼成为世界上最危险的动物之一。

n.恐龙( dinosaur的名词复数 );守旧落伍的人,过时落后的东西
  • The brontosaurus was one of the largest of all dinosaurs. 雷龙是所有恐龙中最大的一种。 来自《简明英汉词典》
  • Dinosaurs have been extinct for millions of years. 恐龙绝种已有几百万年了。 来自《简明英汉词典》
n.爬行动物,爬虫( reptile的名词复数 )
  • Snakes and crocodiles are both reptiles. 蛇和鳄鱼都是爬行动物。 来自《简明英汉词典》
  • Birds, reptiles and insects come from eggs. 鸟类、爬虫及昆虫是卵生的。 来自《现代汉英综合大词典》
n.口部;嘴
  • The antelope could not escape the crocodile's gaping jaws. 那只羚羊无法从鱷鱼张开的大口中逃脱。
  • The scored jaws of a vise help it bite the work. 台钳上有刻痕的虎钳牙帮助它紧咬住工件。
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accessory gill skeleton
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antalgic reaction
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