biological clock

英 [ˌbaɪəˌlɒdʒɪkl ˈklɒk]

美 [ˌbaɪəˌlɑːdʒɪkl ˈklɑːk]

n.  生物钟; 生理钟

计算机化学

牛津词典

noun

• 生物钟；生理钟
  a natural system in living things that controls regular physical activities such as sleeping
  1. At 35, Kate's biological clock was ticking (= she was beginning to think that she would soon be too old to have children) .
     到35岁时，凯特的生物钟开始滴答作响（她开始觉得她很快就会年龄大得不宜生育了）。

柯林斯词典

• N-COUNT 生物钟
  Yourbiological clockis your body's way of registering time. It does not rely on events such as day or night, but on factors such as your habits, your age, and chemical changes taking place in your body.
  1. For women, the 'biological clock' governs the time for having children.
     对于女性来说，“生物钟”控制着怀孕的时间。

英英释义

noun

• an innate mechanism in living organisms that controls the periodicity of many physiological functions

双语例句

• I do not hear a biological clock ticking, only the nerve wrecking ticks of bombs yet to explode.
  我听不见生物钟的滴答作响，只听到即将爆炸的炸弹那令人神经崩溃的走秒声。
• These two systems are not completely independent, for instance, the effects of biological clocks are usually mediated by hormones, and hormonal state can determine the response to a biological clock.
  例如，生物钟的影响常常是通过激素调节的，并且激素状态可以决定生物钟的应答。
• This paper reviews the signal transduction pathways regulated by light in the biological clock.
  本文综述了光信号对高等植物生物钟的调节作用和转导途径。
• The biological clock controls the body's activities through the release of hormones based on the time of day.
  人体内的生物钟在一天中的不间释放荷尔蒙来控制身体活动。
• Use sunlight to set your biological clock
  把阳光当作你的生物钟
• "We know that the biological clock regulates mood in humans," said study researcher McMahon.
  “我们已经知道生物钟控制着人类的情绪，”研究人员麦克马洪说道。
• When the fly lays its eggs it starts a biological clock ticking.
  当苍蝇产完卵，它就启动了一个生物时钟。
• Every living thing has what scientists call a biological clock that controls behavior.
  每一种生物都有控制自己行为的时钟，科学家们称之为生物钟。
• The biological clock itself is believed to be a cluster of nerve cells called the suprachiasmatic nucleus.
  生物钟被认为是叫做视交叉上核的神经细胞的聚集。
• Sleep loss also had a dramatic effect on genes that govern the body's biological clock, suggesting that poor sleep might trigger a vicious cycle of worsening sleep disruption.
  睡眠不足对支配人体生物钟的基因也有巨大影响，这表明睡眠不足可能引发恶化的睡眠中断的恶性循环。