It is often possible to see the vestigial remains of rear limbs on some snakes.
在某些蛇身上常可看到退化后肢的痕迹。
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.
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。
Fossilized remains of Acanthostega, a primitive fish, reveal that even though the animal had rudimentary limbs, it could not walk on land.
棘螈是一种原始鱼类，它的化石遗迹显示，尽管棘螈有基本的四肢，但它却不能在陆地上行走。
It clearly had four limbs that could have been used for walking.
它显然有四肢，可以用于行走。
It was actually nice to be awake, and he turned over and stretched his limbs luxuriously.
醒来真好，他翻过身来，尽情地伸展四肢。
It has got one of its limbs injured.
它的一条腿受伤了。
Leprosy is a chronic disease caused by a bacterium, Mycobacterium leprae. It is not highly infectious but can cause severe and permanent damage to the skin, nerves, limbs and eyes if untreated.
麻风是由一种细菌，即麻风分枝杆菌引起的慢性疾病，不具有高传染性，但如果得不到治疗，可能给皮肤、神经、四肢和眼睛造成严重和永久损害。
He may try to grab at it and pull as he tests out his new limbs.
他可能尽力去抓住它，并用力拉它来测验他的新生的四肢。
It was thought that all frogs moved this way. They'd push off with their back legs, and then once in flight, rotate the limbs forward.
一般人们认为所有的蛙都是这样：它们后腿蹬地起跳，一旦升空，后肢前摆，前肢后摆，接着前肢先落地。
But those recordings can’t tell the computer anything useful about joints and limbs on their own, so programmers dive into the raw data and hand-code it to label each body part (at each frame!).
但没有告诉计算机有效的信息，比如哪里是关节，哪里是四肢等。程序员需深入分解原始数据，为身体各部分，进行人工编码。
It had eyes, flailing limbs, and the ability to speak Japanese.
他有眼睛，能舞动四肢，能会说日语。
The sweet, soft freshness that blooms on baby’s limbs---does anybody know where it was hidden so long?
在婴儿的四肢上，花朵般喷发的甜柔清新的生气，有谁知道它是在哪里藏了这么许久吗？
It could be used for advanced prosthetic limbs - or to create robots that can "feel" a touch.
它可以用于制作先进的假肢——或者是制造可以“感觉”到触摸的机器人。
It includes a pelvis and whole limbs which could reveal whether the new species walked upright or on all fours.
包含骨盆和完整肢骨的化石能够揭示这个新物种是直立行走还是四肢行走。
When it comes to rewiring the limbs of paralysed patients in order to reanimate them, however, a very different approach is required.
但是，要重连瘫痪病人的四肢神经使其重换活力，就需要一种大不相同的方法了。
This frog has long webbed toes and a skin flap between its limbs Flying Gecko 6.which allows it to parachute down from treetops.
这种蛙拥有长长的长有膜的脚趾，四肢之间也有扁平的皮肤悬垂物，这可以让它们从树顶降落至地面。
But while it looks like he has sprouted legs, this angler fish's limbs are just the fins he USES to balance himself on the sea bed.
不过虽然看上去好像他长出了腿，其实这条琵琶鱼的“四肢”只是它用来在海床上保持自身平衡的鳍罢了。
When we can move our limbs freely and go wherever we want and do whatever we want, we do not realize it is literally the greatest blessing God bestows upon us.
当我们可以自由地活动四肢，想去哪里就去哪里，想做什么就做什么，我们丝毫不觉得这其实是上苍给予我们最大的福气。
After experimentation on an individual, it is allowed to live out its life in peace - with its new limbs back in place.
当对蝾螈做完个体实验后，它需要被放入一个安全的环境中生存，这样它才能生长出新的肢体。
On a more practical level, it would help disabled and paralysed people use computers, artificial limbs, motorised wheelchairs or robots.
在更实用的层面上，这也许能帮助残疾或瘫痪的人使用计算机、义肢、电动轮椅或机器人。
First, it passes through a filter to remove large materials like tree limbs, trash and leaves.
首先，污水经过一个过滤装置，取出大的物质例如树枝、垃圾和树叶。
The fertilized female worm(s) (which measures from 60–100 cm long) migrates under the skin tissues until it reaches the lower limbs, forming a blister or swelling from which it eventually emerges.
受精后的雌虫（有60-100厘米长）在皮肤组织以下游走，一直游到下肢，形成一个水疱或者造成肿胀，虫子最终会钻出来。
I wanted to know how it is possible, without having a maze of strings attached to one's fingers, to move the separate limbs and extremities in the rhythm of the dance.
我想知道在不在手指上缠上错综复杂的线缕的情况下，要在舞蹈的韵律中移动彼此分离的枝干和手足何以可能。
The cavemen knew it, and were willing to risk limbs and whatever other body parts weren't covered in hair in order to grab honey from beehives.
穴居人就知道，为了从蜂巢抢蜂蜜而甘愿冒四肢和身体其他没有毛发部位受伤的风险。
Large pelvic muscles mean large forces exerted along the hind limbs - it looks that Balaur had more powerful hind limbs than its relatives.
骨盆肌肉大就说明后腿施展的力量大——看来巴拉乌尔龙比它的近亲们有着更强的后腿力量。
It only takes him a minute or two to braze the broken pneumatic limbs of his iron beasts.
现在只需一两分钟就可以焊接他那些钢铁巨兽的气压式四肢了。
The axolotl salamander is able to regrow its limbs and even damaged organs. But it loses its ability to regenerate as it grows older
美西螈能使它的四肢甚至是受损的器官再生，但随着年龄的增长，它们会失去这种再生的能力。
The axolotl salamander is able to regrow its limbs and even damaged organs. But it loses its ability to regenerate as it grows older
美西螈能使它的四肢甚至是受损的器官再生，但随着年龄的增长，它们会失去这种再生的能力。
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