虽然很多原始人的骨骼被检测出有骨折或者是关节炎的症状，但这些退化的迹象并不能得出它们是肥胖所致的这一结论。
Many old bones do have stress fractures or signs of arthritis, but it's hard to conclude that these indications of degradation are due to obesity.
以前通过将干细胞置于特定性状的培养腔内，以培育出再造骨骼的尝试并不太成功，细胞往往会死亡，或者仅培育出很脆弱的骨骼。
Attempts to grow replacement bone by placing stem cells in a culture chamber of the desired shape have not been very successful, with the cells often dying or producing only weak bone.
她们之所以可以如此是因为她们的骨骼或者肌肉总量不够。
They can be the skeleton because of them so or muscle gross is insufficient.
应用推荐