但是当某一地区的人口由稀疏和稠密转化的时候，头盖骨的尺寸会减小。

But when a certain area's population changed from sparse to dense, our cranium size decreased.

youdao

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.

youdao

过去观念认为蛋白会从骨中溶滤钙。

The old thinking was that protein leached calcium from bones.

youdao

And I say,Oh,that's very interesting that that knucklebone will be around 100 or 1,000 years from now.

我会说，很好，很有趣,指关节骨会继续存活成百上千年。

耶鲁公开课 - 死亡课程节选

It's no more comforting or satisfying than if you said, You know this knucklebone?

这就和告诉我，你死后我们会做手术，把你的指关节骨？

耶鲁公开课 - 死亡课程节选

When that's destroyed, you're in terrible shape.

当这一切都被破坏,你肯定会形销骨瘦

耶鲁公开课 - 古希腊历史简介课程节选