Yahoo香港字典 搜尋

  1. biological clock

    • IPA[bʌɪəˌlɒdʒɪkl ˈklɒk]

    英式

    • n.
      an innate mechanism that controls the physiological activities of an organism which change on a daily, seasonal, yearly, or other regular cycle.
    • noun: biological clock, plural noun: biological clocks