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
  • The train was coming around the corner as I lifted the baby from the tracks.
    2016年12月四级真题(第二套)听力 Section B
  • The wind blew the baby onto the tracks.
    2016年12月四级真题(第二套)听力 Section B
英语六级真题
  • The music service This Is My Jam helps people navigate the tens of millions of tracks now available instantly via Spotify and iTunes.
    出自-2013年12月阅读原文
  • Journalist Sarah Scoles reports that NASA currently tracks about 24,000 objects in space, and in 2016 the air Force had to issue 3,995,874 warnings to satellite owners alerting them to a potential nearby threat from another satellite or bit of debris.
    2019年6月六级真题(第二套)阅读 Section C
柯林斯高阶英汉双解学习词典释义