例句
英语四级真题
  • New species of snakes, however, are much rarer.
    2017年6月四级真题(第二套)听力 Section A
  • Scientists identified 20 of the one-meter-long snakes during two trips to the Caribbean islands.
    2017年6月四级真题(第二套)听力 Section A
  • Some animals, such as bears, frogs and snakes, sleep all winter.
    2017年6月四级真题(第二套)听力 Section C
柯林斯高阶英汉双解学习词典释义