• 基础释义
  • 例句
  • 四级真题
  • 柯林斯词典释义
例句
英语四级真题
    Modern airplanes have two black boxes: a voice recorder, which tracks pilots' conversations,and a flight-data recorder, which monitors fuel levels, engine noises and other operating functions that help investigators reconstruct the aircraft's final moments.
    出自-2010年6月阅读原文
柯林斯高阶英汉双解学习词典释义
  • N-COUNT
    飞机
    An airplane is a vehicle with wings and one or more engines that enable it to fly through the air.