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

• 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。
• 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。
• 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。
• Use sunlight to set your biological clock
  把阳光当作你的生物钟
• 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。
• 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。
• 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。
• To reduce the effects of jet lag, some doctors try to manipulate the biological clock with a technique called light therapy.
  为了缓减飞行时差的影响，一些医生试图用一种叫光照疗法来操纵生物钟。
• 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。
• 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。