A well-defined naturalelevation smaller than a mountain.
陆地上局部的天然高地，有明显轮廓，略小于大山。
2
The desk board can adjusts the angles, the lumber and cervical restore the natural state, the head of naturalelevation, and assist the working and recline body to reading.
桌板可调整角度，使腰颈椎自然挺直，头部自然抬高，协助伏案或后仰身躯进行读写。
3
Well, so far we've had two models that have been thrown out to you: From polytheism's worship of many gods there's a natural evolution to henotheism's elevation of one god to a supreme position.