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

• 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。
• 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。
• 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。
• 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。
• Cohen wondered how both acute and chronic sleep loss interact with our bodies'natural circadian rhythms, the24-hour biological clock that signals when it's time to sleep and wake.
  科恩想知道这两种严重且长期的睡眠不足是如何与我们体内的自然生理节奏相互作用的&是时候睡觉或醒来时，这个24小时的生物钟就会发出信号。
• 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。
• 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。
• Residing in the hypothalamus of the brain, the suprachiasmatic nucleus, or biological clock, programs the body to follow a24-hour rhythm.
  大脑丘脑下部的下丘脑视交叉上核或生物钟保持身体随着24小时的节奏运转。
• 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。
• And your biological clock stopped ticking.
  而且你的生理时钟也已停止了。