几乎所有来自躯干及四肢的感官信息都经由脊髓传递。
Almost all sensory information from the trunk and limbs passes through the spinal cord.
当您压缩隔膜和肋骨时，充分的呼吸作用不能发生，并且血液流经您的大脑和四肢的速度会减慢。
When you compress the diaphragm and ribs, full respiration cannot take place, and the blood flow is slowed to your brain and extremities.
海龟颈部和四肢的肌肉及骨骼的特殊设计使它能把暴露在外的部分缩回去，这样攻击者只能去咬坚硬的外壳。
The particular design of muscles and bones in the neck and limbs of the turtle allow that it can draw in its exposed parts such that an attacker can find nothing but hard shell to bite.
然而，动物学家伊丽莎白·沃茨在对加万的数据进行的最新再分析中发现，随着黑猩猩达到性成熟，它们四肢的生长速度会加快。
In a latest reanalysis of Gavan's data, nevertheless, zoologist Elizabeth Watts has found that as chimpanzees reach sexual maturity, the growth rate of their limbs accelerates.
除了四肢的运动，生命为何物？
长有四肢的古鱼类离开了大海。
没有四肢的骨骼。
定向神经再支配涉及将原来控制四肢的神经进行重新关联。
Targeted reinnervation involves rerouting nerves that originally controlled the missing limb.
胎儿转移他四肢的血液流向大脑和心脏，以应对血液供应减少。
The fetus diverts the reduced blood supply to its brain and heart and away from its limbs.
“研究者们正努力找到重生手指甚至四肢的方法，”海菲尔德说道。
"Researchers are desperately trying to find ways to regrow fingers and even limbs," Highfield says.
一直到现在，他都没有想到苔丝面貌和四肢的艺术美点。
He had never till now estimated the artistic excellence of Tess's limbs and features.
实际上，两足动物的行走可能比四肢的行走花费更少的力气。
Walking as bipeds might actually use less energy than movement on all fours does.
但是，哪种具有四肢的近亲及其特征导致了向无四肢的蛇的进化呢？
But which four-legged relatives and their family traits led the transition for legless snakes?
这意味着，我们默认，有正常的四肢的生活，要比没有四肢的生活好过。
So that means that we assume that it's better to have limbs and functioning limbs than not to have them.
四肢的肌肉只是把骨头安排在这样的一个特定关系里以便正好传送移动身体的动力。
The muscles of the limbs only place the bones in such a relationship as to transmit the power moving the body.
当您压缩隔膜和肋骨时，充分的呼吸作用不会发生，并且血液流经您的大脑和四肢的速度会减慢。
When you compress the diaphragm and ribs, full respiration cannot take place and the blood flow is slowed to your brain and extremities.
当你从冷冻室出来，又会进入一个相反过程：供给四肢的血液会增至正常血量的4倍。
Then, when you leave, the process goes into reverse: the blood supply to the peripheries increases up to 4 times the normal volume.
躯干和颈部的血管密度高，血管网丰富而层次清楚，而四肢的血管密度低，血管网稀而层次少。
The density of vessels and vessel plexuses in the neck and trunk is higher than that of the legs.
例如，科学家知道没有四肢的蛇钻洞更有效率，但是它们的四肢究竟是如何退化的，依然是个谜。
For instance, although scientists know snakes can burrow more efficiently without arms and legs, exactly how they lost their limbs remains a mystery.
因电击事故而失去四肢的一位法国男子成功游过英吉利海峡。为了完成这项挑战，他已付出了两年的艰辛努力。
A Frenchman who lost all his limbs in an electrical accident successfully swam across the Channel, a challenge he had been preparing for two years.
合成皮肤将弹性橡胶与纳米线或电极结合在一起，既可以用来制造敏感的人类假肢，也可以用作机器人四肢的外层皮肤。
Both rely on a combination of flexible rubber with either nanowires or electrodes. And synthetic "skin" would do cyborg double-duty: ultra-sensitive human prosthetics or robot limbs.
为探寻这种差异，马萨诸塞大学阿姆赫斯特校区的伊丽莎白·都蒙研究了鸣鸟、啮齿动物和蝙蝠的骨架及四肢的骨头。
To sort out this seeming discrepancy, Elizabeth Dumont of the University of Massachusetts Amherst studied the skulls and limb bones of song birds, rodents and bats.
刺骨的空气一旦触及你的脸，你的身体就会移动皮肤和手指脚趾这些远离中心的四肢的血液，向中心转移，以此隔离冷空气。
As soon as that bitter air hits your face, your body will try to insulate itself by moving blood away from the skin and outer extremities, such as fingers and toes, and toward its core.
她将可以伸开蜷缩的四肢，休息几个小时。
She would be able to stretch out her cramped limbs and rest for a few hours.
最后，贝基虚弱的四肢再也支撑不住了。
“不，不，孩子，”老奶奶安慰她说，“寒冷让我的四肢有点僵硬。”
"No, no, child," the old woman reassured her, "the frost has just gone into my limbs a little."
失去的手指和四肢将能够再生。
失去的手指和四肢将能够再生。
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