经过数亿年的时间，天然气被重力压缩了。
在挤压的材料背后，把人体压缩到重力不允许的更小的空间。
The whole idea behind the squeezing material is to constrict the human body into a smaller space than gravity would allow.
在这里面，压缩空气得到缓冲，速度快速降低，压缩空气中的油由于重力作用和速度降低，得以沉淀分离。
In here, compressed air cushion, reduce speed to get fast, compressed air of oil by gravity and speed, to reduce precipitation separation.
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