If all the energy in one gram of a substance were set free, it would produce enough power to lift a weight of thirty million tons for a distance of one foot.

若使一克物质中的全部能量释放出来，它就会产生出足以将三千万吨的重物提举一英尺距离的能量。

youdao

The right front portion of the vehicle's frame was now on the ground, so I set my right foot out into the sand to get some footing, in order to pull myself and my left leg free.

NPR: Amputee Wounded in Iraq to Return to Active Duty