We want to understand how limb design determines the energy costs of walking and running.
我们想了解肢体结构是如何决定步行和奔跑时的能量消耗。
Much like a newt that has lost a limb, these mice will replace missing or damaged tissue with healthy tissue that lacks any sign of scarring.
就像一只失去了肢体的蝾螈，这些老鼠将用没有任何疤痕迹象的健康组织代替缺失或受损的组织。
I tried to jump up, but I could not stir a limb, then I yelled aloud in a frenzy of fright.
我试图跳起来，可是我四肢动弹不得，然后我在惊骇中大声喊叫起来。
In 1919, for example, a humpback whale with a pair of leglike appendages over a metre long, complete with a full set of limb bones, was caught off Vancouver Island in Canada.
例如，1919年，在加拿大温哥华岛附近捕获了一条座头鲸，它有一对长达1米多的腿状附肢，还有完整的整套肢骨。
The same way cells that form the limb become more like muscle cells or skin cells, or the structures that become the limb.
同样的方式，形成肢体的细胞变得更像肌肉细胞或皮肤细胞，或成为肢体的结构。
Even when a limb has been severed or cut off from the nervous system, the nerves that once serviced it remains alive and well.
即使当四肢被截断或者其与神经系统失去了联系，曾经可以感受截肢存在的神经仍旧是正常工作的。
Combined with reduced blood flow, neuropathy in the feet increases the chance of foot ulcers and eventual limb amputation.
足部神经病变加上血流量减少，增大了足部溃疡和最终截肢的可能。
They can see themselves going out on a limb, voting for a very controversial energy bill.
他们会发现自己由于投票赞成一个有争议的能源法案而陷入困境。
Shubin distinguished himself by leading an expedition to the Arctic, which uncovered the remains of a fish with a wrist-a creature with part fin and limb.
舒宾的杰出成就是带领了一次北极探险。在这次探险中，他们发现了一种半鳍半肢的动物——一条有腕的鱼化石。
You got to find out where the shadow of the limb falls at midnight, and that's where you dig!
你得弄清楚夜半时分，伸出的树杈的影子落在什么地方，然后就在那儿挖才行！
Afterwards he found a sunspot group which lived long enough to disappear from view on the western limb of the sun, to reappear on its eastern limb, and finally to regain its old position.
后来，他发现了一个太阳黑子群，它存在时间很长，从太阳的西边消失，又在东边出现，最后又回到原来的位置。
S'pose we tackle that old dead-limb tree on the hill t'other side of Still-House branch?
咱们去鬼屋河岸对面小山上那棵枯树那儿挖，怎么样？
Trembling in every limb, Peter answered, "Yes!"
彼得浑身发抖，回答说：“是的！”
They drown out Orpheus' music with the hideous roar of their howlings and their screamings and they tear him limb from limb.
她们用可怕的咆哮和尖叫淹没了俄耳甫斯的音乐，把音乐撕成了碎片。
This gave Dale who has an artificial limb a great idea.
这给了戴假肢的戴尔一个好主意。
They found that salamander regeneration begins when a clump of cells called blastema forms at the tip of a lost limb.
他们发现，蝾螈再生是从一团被称为芽基的细胞在断肢顶端形成的时候开始的。
Spinocerebellum regulates body and limb movements.
脊髓小脑调节身体和肢体动作。
She said: ‘The hand works by taking instructions from the muscles in the residual limb.
她说：“这种手是通过从残肢肌肉中获取指令而进行工作的。
So in recent years, and at huge risk to life and limb, have voters in Afghanistan and Iraq.
所以，近年来即使冒着失去生命和肢体的巨大危险，阿富汗和伊拉克的选民也是如此。
During REM sleep, the limb muscles of most people enter a state of temporary paralysis that prevents any flailing about.
大多数人在快速眼动睡眠期间四肢肌肉会进入暂时的麻痹状态，以防止手脚乱动。
There is something sad about this tree (that limb is surely in serious trouble) but it has not given up.
这棵树遭受伤痛，（枝干肯定出了严重的问题）但它从不放弃。
Treating pain in a limb that does not exist is harder still.
要治疗这些不存在的肢体上的疼痛就更难上加难。
没有四肢的骨骼。
From the blastema come skin, muscle, bone, blood vessels and neurons, ultimately growing into a limb virtually identical to the old one.
皮肤、肌肉、血管和神经元从芽基中长出来，最终生长成为和原来肢体几乎一模一样的新肢体。
The loss of a limb can be compensated by a prosthetic device.
失去了肢体可以利用假肢设备得到补偿。
It's painful, in that we left behind the people we love the most. It was like tearing off a limb, except that you can live without a limb... living without these loved ones isn't so easy.
舍弃最爱的人是痛苦的，它就像扯掉了你的左膀右臂，除非你能够不依靠它们生活…离开了最爱的人的生活并不那么舒心。
I felt this was a drastic measure, akin to amputating a gangrenous limb to save a patient's life.
这是一个釜底抽薪的方法，类似于为了挽救病人生命而截除坏疽的肢体。
I felt this was a drastic measure, akin to amputating a gangrenous limb to save a patient's life.
这是一个釜底抽薪的方法，类似于为了挽救病人生命而截除坏疽的肢体。
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