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nocturnal

[nɒkˈtɜːnl] [nɑːkˈtɜːrnl]
同义词
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
  • Adjective
    1. belonging to or active during the night;
    "nocturnal animals are active at night""nocturnal plants have flowers that open at night and close by day"
    2. of or relating to or occurring in the night;
    "nocturnal darkness"
    3. of or during or relating to the night;
    "a nocturnal journey""nocturnal stillness""nocturnal predators"
行业词典
  • 动物学: 夜行;
    医学: 夜间的:属于或发生于夜晚的或在夜晚活动的;
    天文学: 夜间定时仪;夜间测定时刻的装置。流行于十六世纪的欧洲。由一中心带孔的多重刻度盘和一可绕中心转动的长尺构成。观测时,先按当日太阳所在调整好各盘的位置,再将小孔对向北极星,转动长尺,使之与大熊座α和β二星相切。从长尺所在,即可读得地方真太阳时。;