"Flamingos have evolved very leathery skin on their legs so they can tolerate the salt water," says David Harper, a professor at the University of Leicester.
莱斯特大学教授戴维·哈珀表示：“火烈鸟的腿上已经进化出了非常坚韧的皮肤，这样它们就可以忍受盐水。”
They strip it with their mandibles and pack it into the pollen baskets on their legs.
它用上颚把蜂胶剥下来，把它放进它腿上的花粉篮里。
The chimps were measured both while walking upright and while moving on their legs and knuckles.
研究人员对大猩猩在直立行走和四肢着地行走时消耗的氧气量分别进行了测量，并将结果与人类的进行了对比。
But their bow is a row of pegs on their legs, and veins in their wings take the place of strings.
它腿上的一排锯齿是弓子，翅膀上的薄膜是弦。
In an instant, the other two were on their legs, and all were actively engaged in busy preparation.
眨眼间，另外两个人也站了起来，一齐风风火火地投入繁忙的准备。
They are bigger than a usual monkey, and have a great, large, white beard and red fur on their legs.
它们比一般的猴子大，长着特别大的白胡子，腿上有红毛。
Many pigs have difficulty in walking and getting up as there is too much meat on their legs, and some are simply not able to get up at all.
很多猪由于腿上肉太多，走路和起身都很困难，有的根本站不起来。
People who work with a laptop computers resting on their legs (see photo) are warned that they could be permanently damaging their skin, the Daily Telegraph of London reported Tuesday.
据英国《每日电讯报》5日报道，经常将笔记本电脑放在腿上(见图)可能会导致皮肤永久灼伤。
The legs, which are slightly curved with tiny hooks on the tips of their feet to provide enough friction to enable movement in a slippery environment.
它们的腿有点弯曲，脚尖上有小钩，提供足够的摩擦力，使它们能在湿滑的环境中活动。
It goes some way towards explaining why books about swimming, in which people tackle icy legs, race and rivers, and overcome oceans while reflecting on their lives have recently become so popular.
这也在一定程度上解释了为什么关于游泳的书最近如此受欢迎，书中讲述了人们如何处理冰冷的腿、竞赛和河流，以及如何在战胜海洋的同时反思自己的生活。
The people on the islands had tattoos on their shoulders, chests, backs and legs.
岛上的人在肩膀、胸膛、背上和腿上都有纹身。
Other species sport up to four toes on their hind legs.
其他的种类则彰显出了后肢的四个趾头。
The Japanese Spider Crab is the biggest arthropod on Earth — their legs are believed to grow up to 12 feet long.
日本的蟹型蜘蛛是地球上最大的节肢动物，它们的腿被认为能够长到12英尺长。
But there may already have been something going on in their bodies that predisposed them to walk on two legs - like standing up and "walking" in the trees.
但可能有一些事情已经在他们的身体里发生了，让他们会倾向于利用两条腿走路，像站在树枝上，以及走在树枝上。
With their long legs and ground-eating stride, they can travel tirelessly for hours on end with no energy wasted.
通过它们的长腿和阔步，它们能够不知疲倦的走几个小时也感觉不到能量的消耗。
Their heads bent, their legs just touching, they stride like one eager person through the town, down the asphalt zigzag where the fennel grows wild, and on to the esplanade.
他们低着头，腿挨腿，像一个焦急的人在城中单独穿行，从四周长着野茴香的弯弯曲曲的柏油路走下去，来到海滩边。
I could not face my brothers, knowing that they were sure to blame me for bringing our father's cane down on their backs and legs.
我没脸见我的哥哥们，他们一定会指责我，是我让他们的背和腿挨了父亲的打。
As we travelled on, the country became even more barren, with here and there a dead cow, others on their last legs, moving like wraiths among the leafless trees.
我们越往前走，这个村子的荒凉就越得以显现。 到处都可见到死亡的牛，那些还活着的也都快不行了，它们在那些没有叶子的树丛中走来走去就像魂灵一样。
Modern crocodiles crawl on their bellies because their legs sprawl out to the side.
现代鳄鱼则用肚子爬行，因为它们的腿伸展到了身体两侧。
The Parentes discovered that they were each expected to apply for 40 jobs a week, although their car was on its last legs and no money was offered for gas, tolls, or babysitting.
帕伦特一家发现他们每人每周预计要申请40个就业岗位，可是他们的车快报废了，而且他们没钱买汽油、付通行费，也雇不起保姆。
Dick was lonely in their little house, where Mother's presence was still strong in every room, but the old navy veteran was getting his sea legs back and thinking about how to get on with his life.
在他和母亲的小房子里，迪克显得很孤独。每个房间里似乎仍然还有母亲的影子，但迪克这位海军的退伍老兵正在适应孤独的生活，想着如何度过他余下的日子。
This armada of robots will be our eyes, ears, arms and legs in space, in the air, and on the ground, capable of responding to their environment without us, to explore and embrace the unknown.
这个机器人舰队将是我们的眼睛、耳朵、手臂和腿，它们分布在太空中、大气层内，以及地面上，在没有我们的情况下也可以对自身所处的环境做出反应，接近并探测未知世界。
Reality: The kids hoarded the markers, removed all the lids, chewed them until they couldn’t go back on the markers but not before trying and getting marker all over their clothes, legs and arms.
现实：孩子们抓牢着他们的水彩笔，把盖子都取掉了，开始狂咬水彩笔，他们把颜色弄得全身都是，衣服上，腿上和手臂上都有。
The machine is also being tested on spinal injury patients who have recovered some restricted movement in their legs.
机器正在接受脊柱损伤病人的测试。测试让一些下肢活动受限的病人得到康复。
Elderly Li women with their people's distinctive spidery blue tattoos on their faces and legs weave garments on simple lap looms and offer them for sale.
一些脸上、腿上带有黎族特有的细长图形青色文身的老年妇女用简单的踞织腰机织布，并向游客出售自己的作品。
When their shift was over, the workers simply put their shovels between their legs, grasped their handles, and sat down on their broad blades.
工人们换班时，他们只是把铲子放在两腿之间，握紧铲子的把手，坐在宽大的铲面上。
Little Swan and Little Bear clambered lightly up and never failed to find the best bushes, and then they would stand gracefully poised on their pretty legs, delicately nibbling at the leaves.
“小天鹅”和“小熊”轻盈的向上爬着，从来不会错过最好的灌木，然后它们静静的站在那里，动作优美的啃起叶子来。
People may cut themselves on their wrists, arms, legs, or bellies.
人们可能割伤他们自己的手腕、胳膊、腿和腹部。
Theropods were early winged and feathered dinosaurs that walked mainly on their hind legs and were incapable of flight.
兽脚亚目食肉恐龙是早期的有翼和羽的恐龙，其主要靠后足行走且不会飞行。
Theropods were early winged and feathered dinosaurs that walked mainly on their hind legs and were incapable of flight.
兽脚亚目食肉恐龙是早期的有翼和羽的恐龙，其主要靠后足行走且不会飞行。
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