替换可能是一个令人惊叹的精确过程，因此贝壳纹饰的细节，树木的年轮和骨的微妙结构都被准确地保存。
Replacement can be a marvelously precise process, so that details of shell ornamentation, tree rings in wood, and delicate structures in bone are accurately preserved.
这种反对是合理的，因为只有早期的兽脚亚目食肉恐龙的锁骨才被发现，但是现在已经发掘出了类似始祖鸟的叉骨的兽脚亚目食肉恐龙锁骨化石。
This objection was reasonable when only early theropod clavicles had been discovered, but fossilized theropod clavicles that look just like the wishbone of Archaeopteryx have now been unearthed.
与中国人不同，澳大利亚人不喜欢吃带骨的肉，所以那里的中餐馆提供大块的无骨肉，即使是鱼也不例外。
Unlike Chinese, Australian people don't like to eat meat with the bone in, so Chinese restaurants there provide big pieces of meat without bones, even for fish.
豆状骨植入后，豆状骨的应力最大。
After pisiform implantation, the stress on the pisiform was the greatest.
受伤后骨的关节不如以前连接得好。
After the injury the bones did not articulate as well as before.
如愿骨的形状本身也是表示生命和多产的幸运符号。
The wishbone shape itself is good luck symbol of life and fertility.
阿基里斯腱是将小腿后部的肌群连接到跟骨的强健的纤维索。
The Achilles tendon is a strong fibrous cord that connects the muscles in the back of your calf to your heel bone.
骨密度代表骨的强度，骨密度依随体重和负重锻炼而相应升降变化。
Bone density contributes to the strength of the bones; and their density changes in response to body weight and to weight-bearing exercise.
而有强壮颌骨的动物，如大猩猩和猩猩，则适应吃那些需要很多咀嚼的食物。
Animals with robust jaws, like gorillas and orang-utans, have long been known to be adapted to eating foods that require a lot of chewing.
使腕骨立起来垂直地板，将体重放在小臂骨的边缘，小臂既不要内旋也不要外旋。
Align the wrists perpendicular to the floor and center your weight on the edge of the forearm bone, rolling neither in nor out.
这对于一个曾经在少教所消磨过青春的男人来说确实是一次脱胎换骨的惊人蜕变。
For a man who spent part of his youth in young offender institutions, it is a startling transformation.
因此，当有这些（强壮）颌骨的化石出土时，人们便认为这些生物也是吃较硬的食物。
So when fossils with these jaw structures have turned up, it had been assumed that the creatures were eating tough foods too.
当你年轻的时候，你的身体造新骨的速度比其破坏旧骨的速度快，而你的骨量会增加。
When you're young, your body makes new bone faster than it breaks down old bone and your bone mass increases.
钙的饮食来源包括奶制品，杏仁、绿花椰菜、羽衣甘蓝、带骨的罐装鲑鱼、沙丁鱼和豆腐之类的豆制品。
Dietary sources of calcium include diary products, almonds, broccoli, kale, canned salmon with bones, sardines and soy products, such as tofu.
比如，“WithinTechnologies”有望今年开始提供类似于人骨的钛金属医疗植入物。
This year, for instance, Within Technologies expects to begin offering titanium medical implants with features that resemble bone.
成本高企，产品质量低劣，工厂产能开工严重不足，通用汽车对市场反应迟钝，一次脱胎换骨的重组势在必行。
Costs were high, product quality was low, factories were running well below capacity, GM was slow to market, and a sweeping reorganization was needed.
伯格尔博士和他的同事们在论文中写道，这块颌骨有一些类似人类的特征，然而，这并不表示这块颌骨的主人就必须是人类。
The jawbone has some human-like features, Dr. Berger and colleagues write, yet that does not mean the owner of the jawbone was necessarily human.
一些具有差异化的表现形式但对功能影响不大的特征- - -比如头盖骨的形状，在进化过程中可能起着比自然选择更重要的作用。
With features that can vary somewhat in form without greatly affecting function, such as the shape of the skull, chance might play a bigger role in their evolution than natural selection.
这就是为什么可以通过PGE2的作用解释肢端骨溶解和骨膜骨形成的原因。
This is why acroosteolysis and periosteal bone formation can be explained by the action of PGE2.
一些恐龙的头盖骨和骨盆骨与所有现代鸟类的头盖骨和骨盆骨有许多相同特征。
The skulls and pelvic bones of some species of dinosaur share characteristics with the skulls and pelvic bones of all modern birds.
清淡的食物，如无骨、去皮的鸡胸肉可以给你迅速补充蛋白质。
Bland foods such as a boneless, skinless chicken breast can give you a quick burst of protein.
急性淋巴细胞性白血病(all)是一种发生于血液和骨髓的癌症——骨髓(译者：此处指红骨髓)是指作为造血场所的骨内的海绵组织。
Acute lymphocytic leukemia (ALL) is a type of cancer of the blood and bone marrow - the spongy tissue inside bones where blood cells are made.
舒宾写道：“结论不可避免：构成爬行类颚部一部分的鳃弓，同样也构成了哺乳类的耳骨。”
Shubin writes: "the conclusion was inescapable: the same gill arch that formed part of the jaw of a reptile formed ear bones in mammals."
也许是因为它促进钙质吸收的作用，高剂量维生素D确实显示出有助于维持股骨颈（靠近髋关节的大腿骨顶部）的骨密度。
Perhaps because of its role in calcium absorption, high-dose vitamin D did appear to help maintain bone density at the neck of the femur, the top of the thighbone near the hip joint.
因此可以说，胰岛素对骨骼的影响促进了骨吸收的进程。
Therefore, insulin's effects on the bones favors bone resorption.
在南非铁锈般红色的沙漠中，被称为岛山的陡峭岩石山丘从平原上拔地而起，就像大地之骨。
In the rusty red deserts of South Africa, steep-sided rocky hills called inselbergs rear up from the plains like the bones of the earth.
才德的妇人是丈夫的冠冕；贻羞的妇人，如同朽烂在她丈夫的骨中。
A wife of noble character is her husband's crown, but a disgraceful wife is like decay in his bones.
我们颚部的杠杆系统以及耳中的小骨链都拜鲨鱼祖先所赐。
We owe both the lever system in our jaws and small bones in our ear to our shark ancestors.
我们颚部的杠杆系统以及耳中的小骨链都拜鲨鱼祖先所赐。
We owe both the lever system in our jaws and small bones in our ear to our shark ancestors.
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