So once the dietary regimen was stopped, the rats went right back to the initial weight trajectory.

因此， 一旦停止饮食方案，老鼠就会立即回到最初的体重轨迹。

In fact, they needed this added physical activity just to burn the same number or calories as obese subjects weighing similar to their initial weight.

实际上，他们需要这些额外锻炼，来燃烧和肥胖对象等量的卡路里，而肥胖对象的体重和开始时相比变化不大。