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

• 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 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。
• 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。
• The biological clock and gravitational forces don't show any kindness, either.
  生物钟和万有引力也不会怜悯你的。
• 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。
• 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。
• 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。
• 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 suggests the intuition is at its strongest not just when the biological clock is ticking – but also when they are, quite literally, in the mood for love.
  这说明这种那个直觉最强的时候不仅仅是在生理时钟上的某一刹那，而当她们真正处于恋爱的情绪中时也是同样。
• 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。