Leg power can save you money, keep you fit and help you live longer.

脚力可以省钱，保持健康，并使你长寿。

And that means that these dinosaurs had more leg power and were probably faster than we previously thought.

这意味着这些恐龙的腿部力量更大，而且可能比我们之前想象的要快。

And it gets you to a place faster, and you don't have to use entirely your own leg power to get there.

它可以让你更快地到达某个地方，而且你不必完全使用自己的腿部力量来到达那里。