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。
• In other words, men apparently also possess a "biological clock" for reproduction& albeit one that works differently than in women.
  换句话说，男性在生殖方面显然也同样拥有一个“生物钟”&虽然和女性的生物钟不大一样。
• After scientific research found that genital herpes virus and the virus also condyloma biological clock phenomenon.
  经科学研究发现生殖器疱疹病毒和尖锐湿疣病毒也存在生物钟现象。
• Housed in the hypothalamus, the portion of the brain that also controls sex drive and appetite, your biological clock is difficult to alter.
  位于脑下丘之中，作为脑子的一部分，您的生物钟还控制着性别，动力和胃口，难以改变。
• This multitasking hormone keeps your biological clock ticking over, making sure that you are alert during the day and sleepy at night.
  而这种多任务荷尔蒙可以让你的生物钟持续运转，保持你在白天的时候清醒，晚上的时候睡觉。
• 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。
• 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。
• 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。
• Biorhythm A periodic physiological or behavioral change that is controlled by a biological clock. Circadian rhythms are an example.
  生物节律：由生物钟控制的周期性的生理上的或行为上的变化。昼夜节律就是一个很好的例子。
• "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。