Their leg bone strength was consistently lower than men's, it didn't change significantly through time.

她们的腿骨强度一直比男性低，随着时间的推移并没有发生明显变化。

Exactly how exercise boosts bone strength is a matter of debate - and a subject of scientific scrutiny.

锻炼究竟是如何强化骨骼的？这是一个有争议的问题，也是科学审查的一项课题。

And so the walking is really part of trying to keep healthy and to build bone strength.

步行确实是保持健康和增强骨骼力量的一部分。

In this way, exercising stimulates bone remodeling — and ultimately bone strength — so when you're working out, you're building bone as well as muscle.

通过这种方式，锻炼可以刺激骨骼重塑——最终刺激骨骼强度——所以当你锻炼的时候，你在锻炼肌肉的同时也在锻炼骨骼。

Salt has several very important functions: it's needed by the heart to pump blood properly, it's needed by the stomach to facilitate digestion, and it is necessary for bone formation and bone strength.

盐有几个非常重要的功能：心脏正常泵血，促进胃消化都离不开盐，而且盐对骨骼形成和骨骼强度是必不可少的。