四根骨头
bones bones───骨头骨头骨头
bones bones bones───骨头骨头骨头骨头
bones───n.骨骼；身体；争议点（bone的复数）；v.剔去…的骨；专心致志（bone的第三人称单数）；n.(Bones)人名；(英)博恩斯；(德)博内斯
four───num.四，四个；n.四个人（或事）的一组；（板球）四分的一击；（衣服等）四号；四点的纸牌；四浆赛艇，四人划船队；n.(Four)（法、美）福尔（人名）；adj.四的；四个的
appendicular bones───阑尾骨
turbinal bones───[医]鼻甲
sitz bones───坐骨
clavicles bones───锁骨
epineural bones───神经外膜骨
There are four excavation crews working on recovering bones at the dig site right now.───目前，有四名队员在挖掘现场进行骨头的回收工作。
you realize that every time you take a step, the bones in your hip are subjected to forces between four and five times your body weight?───你是否意识到，你每走一步，你臀部的骨头就会承受你体重4到5倍的力量？
To determine what patterns humans leave behind when they chew or gnaw on bones, the researchers had four different groups of European people chew raw and cooked meat bones from various animals.───为了确定人类啃噬骨骼后会留下什么类型的痕迹，研究人员组织了四个不同的欧洲人小组，让他们啃噬不同动物或生或熟的肉骨头。
The jumps make Yasmin stand out. They also can hurt: She has broken four bones in two and a half years.───跳跃让娅斯敏脱颖而出，也能致伤：两年半时间里她摔断了四根骨头。
The carpus or wrist bone is actually two sets of four bones. The carpal bones not only join the hand and forearm but also allow a variety of wrist movements.