The engineers said this is because the robot is powered by the elastic property of its body.

工程师说，这是因为机器人是由其身体的弹性特性提供动力的。

But due to muscle's elastic properties, this effect will be gone in just 10 minutes without further activity.

但由于肌肉的弹性特性，如果不进一步活动， 这种效果将在短短 10 分钟内消失。