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

• 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。
• 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。
• Use sunlight to set your biological clock
  把阳光当作你的生物钟
• And your biological clock stopped ticking.
  而且你的生理时钟也已停止了。
• 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。
• 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。
• The most evident effect of circadian rhythm is the sleep-wake cycle, but the biological clock also impacts digestion, body temperature, blood pressure, and hormone production.
  生理节奏引起的一个最明显的结果是：睡眠-醒来的循环，但是生物钟还影响着消化力、体温、血压和激素的产生。
• 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。
• A ticking biological clock sometimes isn't enough. That's where science steps in and helps it along.
  有时仅靠“滴答”作响的生物钟是不够的，这时需要科学的介入和帮忙了。