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

• 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。
• 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。
• 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。
• 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。
• Once I know the importance of our biological clock, I try my best to follow it.
  了解到生物钟的重要性之后，我就开始尽量遵循生物钟生活。
• The human body has a biological clock, so life must be the law.
  人的身体有一个生物钟，所以生活要有规律。
• 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。
• Once you learn to synchronize your body's biological clock, your body will know when to sleep and when to be alert.1.Wake at the Same Time Every Day.
  一旦你学会了如何调整身体的时钟，你的身体就知道什么时候睡觉、什么时候要清醒。
• However, previous studies have also suggested that the biological clock ticks for men too.
  而先前的研究显示男性同样也有生理钟。
• 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。