biological clock
英 [ˌbaɪəˌlɒdʒɪkl ˈklɒk]
美 [ˌbaɪəˌlɑːdʒɪkl ˈklɑːk]
n. 生物钟; 生理钟
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- 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）。
- At 35, Kate's biological clock was ticking (= she was beginning to think that she would soon be too old to have children) .
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.- 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。
- For women, the 'biological clock' governs the time for having children.
英英释义
noun
- an innate mechanism in living organisms that controls the periodicity of many physiological functions
双语例句
- 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。 - And your biological clock stopped ticking.
而且你的生理时钟也已停止了。 - 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。 - 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。 - 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。 - 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 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。 - Her biological clock was ticking and she wanted to have a baby.
她的生理时钟在起变化，所以她想要有个小孩。 - 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。