例句
英语六级真题
  • 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
英英词典释义
  • Noun
    1. a state of readiness to respond;
    "alerting was indicated by the desynchronization of the EEG"
    2. a warning serves to make you more alert to danger
行业词典
  • 体育: 提示注意;