But T. Rex has both-- superb biomechanics and, by dinosaur standards, a sharp intellect.

龙两者兼得，完美的生理结构，还有相对恐龙标准来说的敏锐思维。

Running-shoe makers have long tried to boost athletic performance, observes Geoff Burns, a biomechanics expert at the University of Michigan.

密歇根大学的生物力学专家杰夫·伯恩斯表示，跑制造商直在努力提高运动员的表现。

Irene Davis of Harvard Medical School, who studies the biomechanics of running, blames the treadmill's forcing them to stay at one speed, which is unnatural.

哈佛医学院研究跑步生物力学的艾琳·戴维斯将其归咎于跑步机迫使他们个速度，这是不自然的。

It's a lot about angles, it's biomechanics, really making sure you're at the perfect angle for your leg length, for your body type, kind of like an airplane when you're taking off.

这关乎角度，它是生物力学，确你处于适合你腿长的完美角度，适合你的体型，你出发的时候有点像飞机。