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。
Here a worker returns sifted-out feathers and bones.
图为一名工人在倾倒筛分出的羽毛和骨骸。
His skin and bones are kept in a Cathedral in Sicily.
他的皮肤和骨骼现在保存在西西里的大教堂中。
Trees and bones are strong and relatively lightweight.
树干和骨骼不仅非常强韧，而且重量相对较轻。
Because of my loud groaning I am reduced to skin and bones.
因我唉哼的声音，我的肉紧贴骨头。
In a vertebrate's arms, muscles do the moving and bones carry the weight.
对脊椎动物的手臂而言，肌肉负责运动，骨骼承受重量。
Touch me and see; a ghost does not have flesh and bones, as you see I have.
魂无骨无肉，你们看，我是有的。
Keeping physically active is integral to keeping the heart, mind and bones healthy.
坚持运动对于保持心脏、思维和骨骼的健康是不可或缺的。
It also said that the claims of help for the joints and bones cross the line into fraud.
CSPI同时认为关于饮料能有益于骨头和关节的宣传是一种欺诈。
They also found biomarkers specific to the cell wall of the bacterium in the lungs and bones.
他们还在肺和骨头中发现了专门属于细菌细胞壁的生物标记。
His once fearsome body is so emaciated it is little more than a pitiful pile of fur and bones.
他曾经健壮和敬畏的身躯现在只剩下如此可怜兮兮的结块皮毛和一身消瘦筋骨。
The liquid and bones in the vessel had turned green due to the oxidation of the bronze, it said.
报导说，内部液体与骨头因为铜锈而变绿色。
And so our poor celebrity had faded by the fall, till but for skin and bones, there was no ass at all.
所以，到了秋天，我们这位可怜的大名人就垮了，只剩下皮包骨了，简直都不成样子了。
There's nothing sadder to see than a picture of children who are all skin and bones because they don't get enough to eat.
当你看到一张照片，上面全是因为吃不饱而瘦得跟皮包骨一样的孩子，会感到比什么都难过。
Some Sami make handicrafts using antlers and bones for tools and toys, tendons for thread, and skins for bags and garments.
一些萨米族人用鹿角和鹿骨制造工具和玩具，用鹿腱制造细线，用鹿皮制造袋子和衣服等手工艺品。
39look at my hands and my feet. It is I myself! Touch me and see; a ghost does not have flesh and bones, as you see I have.
你们看我的手，我的脚，就知道实在是我了。摸我看看！魂无骨无肉，你们看，我是有的。
Writing in the Journal of Nutrition, they said the fructose-fed rats showed changes in the collagen of their skin and bones.
他们在《营养学杂志》上发表文章说，那些吃了果糖的老鼠的皮肤和骨质中的胶原蛋白发生了变化。
Dinosaurs possessed a highly efficient bird-like breathing system involving large Numbers of air sacs permeating their body cavity and bones.
恐龙具有一个类似于鸟类的高效率呼吸系统，有很多气囊分布在体腔和骨骼中。
The mineral comes from the fossilised remains shells and bones and provides a way to investigate the ancient life that existed on early Earth.
来自化石的矿物含有壳体和骨头，这也给研究地球早期的远古生命提供了一种途径。
For hundreds of years, humans studying ancient life had to rely on stones and bones for hard evidence about what extinct creatures looked like.
几百年来，研究古生代生活的人们必须依赖石头和骨骸这些确凿的证据来说明那些已不复存在的生物是什么样的。
Larson is trying to understand how the muscles and bones in the monkey allow Parker to walk - badly, a sort of high-stepping goosestep, but walk nonetheless.
拉森是想了解猴子的肌肉和骨骼如何让帕克能行走，虽然像鹅步那样不怎么好看，但仍然算是在走路。
But poaching is also problematic, with most of the demand coming from practitioners of traditional Chinese medicine and the illegal trade of pelts and bones.
更有偷猎的存在，主要的需求来自于传统中药从业者以及虎皮、虎骨的非法买卖。
Engineers have incorporated structural design lessons from trees and bones into software design programs for optimizing the weight and performance of materials.
工程师们已经将树木和骨骼的结构特点融入到软件设计方案中，对设计对象的重量和外观进行优化。
Have you seen Henry lately? For two months he's been on this special diet to lose weight. Well, he's taken off forty pounds and now he's all skin and bones.
这句话的意思是：“你最近看见亨利没有？他为了减肥，按照特殊的食谱吃了两个月。你看，他已经减掉了四十磅，现在真是非常瘦了。”
Who can forget those photographs of a skeletal-looking Teri Hatcher jogging through Hollywood with weights in both hands and bones protruding-through her skin?
谁能够忘记泰瑞·海切尔手拿重物慢跑通过好莱坞的照片？那真是瘦骨嶙峋。
Any accidental release of fluorine could also be an issue: fluorine is a toxic and corrosive gas and, at high concentrations, can retard plant growth and damage teeth and bones.
氟气的任一次意外泄漏也都可能造成问题。氟气是一种有毒的腐蚀性气体，而且，在高浓度时，能阻碍植物生长并，损伤牙齿和骨骼。
Any accidental release of fluorine could also be an issue: fluorine is a toxic and corrosive gas and, at high concentrations, can retard plant growth and damage teeth and bones.
氟气的任一次意外泄漏也都可能造成问题。氟气是一种有毒的腐蚀性气体，而且，在高浓度时，能阻碍植物生长并，损伤牙齿和骨骼。
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