He believes that as far back as 30,000 B.C., hunters may have used a system of notation, engraved on bone and stone, to mark phases of the Moon.
他认为，远在公元前30,000年以前，猎人可能会用一套刻在骨头和石头上的符号系统来标记月相。
The Achilles tendon is a strong fibrous cord that connects the muscles in the back of your calf to your heel bone.
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。
Achilles tendinitis is inflammation of the Achilles (uh-KIL-eez) tendon, the band of tissue that connects calf muscles at the back of the lower leg to your heel bone.
阿基里斯腱炎(译者：跟腱炎)是阿基里斯腱发生的炎症反应，阿基里斯腱是指将小腿后部的腓肠肌连接到跟骨上的一条组织。
Europe suffered terribly because the peasants were the back bone of society doing all the low paying jobs that nobody wanted to do which included things like farming.
因为农民是社会的分水岭，他们做着所有收入低而且没有人愿意做的工作——如农活——所以欧洲受灾严重。
Back in the day, when we ate mammoth meat off the bone and didn't floss afterward, our teeth tended to fall out.
从前，当我们吃猛犸还要把肉从骨头上撕下来也不用牙线时，我们的牙齿很容易脱落。
The balloons are inflated to push the bone back into its normal position, then bone cement is used to keep it from collapsing again.
气球膨胀将骨头推向正常的位置，然后骨头接合剂防止脊椎骨再次损伤。
The ankle is in the wrong position, the thigh bone also changes position and you get an abnormal movement in the pelvis, which leads to back problems.
脚踝会错位，股骨头也会改变位置，骨盆会有异常移动，导致背部问题。
After the remains of two individuals were discovered in the Ural Mountains, Rogaev analyzed fragments of bone and traced the genetic lineage back to the same immediate Romanov family.
乌戈尔山区的两具残骸被发现后，Rogaev分析了骨骼残片，其遗传特征可直接追溯到罗曼诺夫家族。
1: Who got to use the family car was a bone of contention between Joe and Betty from the day they got back from their honeymoon.
原来Joe和Betty从蜜月回来的当天起就为了谁可以用家里那辆车争论不休。
It is the influence of muscle tonus upon bone formation that brings this aspect of morphogenesis back to an interaction with the central nervous system.
就是肌肉强直性对骨骼形成的影响把形态发生的观点拉回到与中央神经系统的互动中。
TLIF is generally used to treat back or leg pain caused by degenerative disc disease. The surgeon will stabilize the spine by fusing vertebrae together with bone graft material.
TLIF手术通常用于治疗因椎间盘退变性疾病引起的腰腿痛。外科医生使用植骨材料将椎体融合在一起以稳定脊柱。
In ancient times, mahjong is mostly bone surface bamboo back, to say the mahjong tiles is actually a combination of CARDS and dominoes.
在古代，麻将大都是以骨面竹背做成，可以说麻将牌实际上是一种纸牌与骨牌的结合体。
Even though only a old shabby little boat, a bare fish bone, a run-down body came back to the seaport finally, the old man won in his spirit.
最终，一条破烂的小船，一个只剩骨头的大鱼架，一副疲惫的身躯回到了海港，即便这样，老人在精神上还是胜利了。
It worked, getting the rodents back on their (fractured) legs and leading to the formation of new bone tissue.
结果证明有效，小鼠的断腿痊愈，新的骨组织形成。
Stem cells released from the bone marrow that do not reach a tissue simply home back to the bone marrow after some time.
那些从骨髓中释放出来的干细胞如果没有变成别的组织细胞，那麽，过一段时间后，它们会再次回到骨髓中。
Carefully, to avoid injuring her, I rub cream into the yellow skin, which rolls freely over the bones, feeling perfectly the outline of each bone in the back.
为了不伤着她，我小心翼翼地把护肤霜揉在她发黄的皮肤上。她的皮肤松松地在骨头上滑动，背上每块骨头的轮廓都能清楚地摸到。
The facial expression in a flash of black cold Mo congeals, close back, the prick bone of the eye base ray of light, made Meng rain thin to cannot bear beat one cold Zhan.
阴沉寒漠的表情刹那间凝住，紧接着，眼底的刺骨光芒，让孟雨菲受不住打了个寒颤。
Objective To observe the clinical efficacy of Eucommia granule in treating low back pain from primary osteoporosis and the changes of biochemical indicators and bone density.
目的观察杜仲颗粒剂对防治原发性骨质疏松性腰背疼痛的临床疗效及患者生化指标和骨密度的变化。
English to the bone of his back, I answer.
是一位不折不扣的英国人。我答道。
They are still waiting for more test to come back on the bone marrow this Friday.
他们仍在等待更多的测试回来的骨髓本星期五。
AIM: To explore the effect of exercise therapy on the improvements of bone mineral density and low back pain in pulmonary tuberculosis patients with osteoporosis.
目的：观察运动疗法对肺结核合并骨质疏松症患者的骨密度及腰背痛改善情况。
You are my brothers; you are my bone and my flesh. Why then should you be the last to bring back the king?
你们是我的弟兄，是我的骨肉，为什么在人后头请王回来呢？
Much more recently, doctors were exuberant when brain surgery seemed to halt the progression of Parkinson's disease and bone-marrow transplants seemed to beat back breast cancer.
最近更多的时候，医生进行的脑部手术似乎可以有效的阻止帕金森病的恶化，骨髓移植似乎能治疗乳腺癌。
Use your hands to spread the back pelvis and lengthen it down through your tail bone. Then lightly firm the tail forward, toward the pubis.
用你的手去延伸骨盆后侧并通过尾骨向下进一步拉长它。
Use your hands to spread the back pelvis and lengthen it down through your tail bone. Then lightly firm the tail forward, toward the pubis.
用你的手去延伸骨盆后侧并通过尾骨向下进一步拉长它。
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