For women, the biological clock governs the time for having children.
对于女性，生物钟控制着孕育子女的时间。
The very first Federal Duck Stamp was designed by J.N. "Ding" Darling, a political cartoonist from Des Moines, Iowa, who at that time was appointed by President Franklin Roosevelt as Director of the Bureau of Biological Survey.
最早的联邦鸭票是由J.N.“丁”·达林设计的，他是爱荷华州得梅因市的一位政治漫画家，当时被富兰克林·罗斯福总统任命为生物调查局局长。
Without any available cohort studies to test exposure over a long period of time, though, they have had to rely on lab studies, which failed to find any clear or reproducible biological effects.
没有任何可用的队列研究，以测试长时间暴露在电磁场中的后果，他们不得不依赖实验室研究，目前未找到任何明确或可复制的生物效应。
Researchers are exploring the use of such biological tools as stem cells and gene triggers to prevent-and even reverse-the ravages of time.
研究人员正在探索，使用干细胞及基因触发等生物手段，来防止——甚至逆转——时间对皮肤的摧残。
Multiple social, psychological, and biological factors determine the level of mental health of a person at any point of time.
社会、心理和生物方面的多重因素决定着人们在任何时间点的精神卫生状况。
Thinking in those terms might help you sympathize a bit with your spouse, who feels these time pressures on a biological level.
想想这些问题可能会让你对你的另一半产生点同情，对她来说这可是一个生物级别上的时间压力。
Plenty of biologists still say it's a mirage because we will never overcome the biological programme whereby cells die after a certain time, or indeed the rigours of wear and tear on the genome.
很多生物学家仍认为停止衰老只是一个幻想，因为我们永远不能克服细胞过段时间就会死亡，以及基因组的消耗磨损等生物程序。
Lifeloggers, as they're called, record their faces, text, audio, even biological data from sensors on their bodies over a period of time and then share them with the public.
这些被称为生活记录者的人们持之以恒地将他们的长相、文字、音频，甚至他们身上的传感器收集的生物数据记录下来，然后将它们公开分享。
Social jet lag is described as the difference between biological time and external requirements.
社会时差被描述为生物时间与外部要求之间的差异。
The details are sketchy, but research suggests it's a time when we restore vital biological processes and also sort and cement memories.
详情可能过于简略，不过研究表明：让我们恢复精力充沛的生物学过程，也是自己回忆的排列和巩固过程。
Maintain a consistent sleep schedule - going to bed and waking up at the same time every day keeps your biological clock in tune.
制定并遵循特定的睡眠时刻表——每天定点睡觉和起床可以让你的生物钟正常运转。
From the beginning of time, we have been nothing more than a potential biological jigsaw puzzle waiting for assembly.
一开始，我们就是生物学上的拼版玩具，期待着组装完整。
Their methods de not attempt to estimate the actual biomass (the amount of living biological matter) of fish species in particular parts of the ocean, but rather changes in that biomass over time.
他们研究了半个世纪以来世界上所有的渔场，其研究方法并不是为了试图估算特定区域的海洋中实际生物总数（活着生物的总数），而是研究单位面积中海洋生物数量发生的变化。
Let's set aside the fact that biological systems show these all the time for physical traits. (it is a core principle to our understanding of evolution.)
让我们把生物系统证明这些总是为了躯体性状的事实放一边(它是我们理解进化的关键原则。)
The only proven biological effect of radiation at Chernobyl was an increase in thyroid cancer among those who were children at the time of exposure.
托马斯（Gerry Thomas）指出，切尔诺贝利核扩散可能增加儿童甲状腺癌症发生率的风险性预测，唯一能得到生物学效应证明的只是那些当时直接暴露在核辐射下的儿童。
For those who want their own biological child, and haven't found the right man, now is a good time to be alive.
对于那些想有亲生孩子却没找到合适爸爸的女人来说，现在是个好时候。
Their methods do not attempt to estimate the actual biomass(the amount of living biological matter) of fish species in particular parts of the ocean,but rather changes in that biomass over time.
他们的方法并不是要评估特定海域鱼种的实际生物量，而是评估在这一段时间内生物量的变化。
Their methods do not attempt to estimate the actual biomass (the amount of living biological matter) of fish species in particular parts of the ocean, but rather changes in that biomass over time.
他们的方法并不是要评估特定海域鱼种的实际生物量，而是评估在这一段时间内生物量的变化。
It's the first time new 'biological' medicines have been delivered effectively across the blood-brain-barrier to the brain.
这是第一次有新的生物药剂能有效的通过血脑屏障，进入大脑。
Time to Wake Up to the Male Biological Clock?
是时候该注意到男性生物钟啦！
Any time there is a threat of biological or che mical attack, the first thing you hear about is gas masks.
任何时候，只要有化生威胁，你首先听到的讨论就是防毒面具。
The findings suggest that on the biological level, pregnancy and the early postpartum period "are almost like a down time," Galea says.
这些研究结果说明在生理层面，怀孕及产后早期是“最低潮的”。
The findings suggest that on the biological level, pregnancy and the early postpartum period "are almost like a down time, " Galea says.
这些研究结果说明在生理层面，怀孕及产后早期是“最低潮的”。
The vital importance of the SCN as a biological time setter is a recent discovery, though not a new one.
超染色体交叉细胞核作为生物时间调节者的重要性即使不是一项新的发现，也是最近的发现。
McGrath puts it this way: "For a long time women have been warned about their ticking biological clocks."
McGrath是这样说的：“很长时间以来，人们一直告诫女性要孩子时要考虑滴答不停的生物时钟。”
From "the host" galleries out biological could see upstairs of elevator. In order to save time, we first by the edge of the elevator up to the second floor!
从“生物万象”展区出来就可以看见上楼的电梯。为了节约时间，我们先由西端的电梯上到二楼吧。
Scientists have for the first time created laser light using living biological material: a single human cell and some jellyfish protein.
这是科学家第一次用活体生物材料制作激光器：仅用到单个人体细胞和一些水母蛋白质。
Leukocyte telomeres shorten over time and may serve as a marker of a person's biological age.
白血球端粒随时间推移而缩短，可用来测量人的生物学年龄。
Leukocyte telomeres shorten over time and may serve as a marker of a person's biological age.
白血球端粒随时间推移而缩短，可用来测量人的生物学年龄。
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