例句
柯林斯高阶英汉双解学习词典释义
英汉词典释义
英英词典释义
  • Noun
    1. a state of deep and often prolonged unconsciousness; usually the result of disease or injury
    2. a usually terminal tuft of hairs especially on a seed
    3. (astronomy) the luminous cloud of particles surrounding the frozen nucleus of a comet; forms as the comet approaches the sun and is warmed
行业词典
  • 体育: 神志昏迷;不省人事;
    医学: 昏迷:一种意识丧失状态,虽予强烈刺激也不能苏醒。又称exanimation;斜射球面象差:入射光线与其成像的屏幕间没有形成准确的直角,因而在屏幕上的影像出现光学偏差;
    天文学: 彗发;彗核四周向外膨胀的彗星大气层。;
    植物学: 种缨;
    航天: 彗形像差;
    药学: 昏迷;