Tips: try to make two genu near the surfaceofbed, over the two legs, shaking unbend of relaxation.
尽量使两膝靠近床面，结束动作后，伸直两腿，抖动放松。
2
In particularly wet years, short stretches of an otherwise dry stream-bed may have flowing water because the water table rises to intersect the land surface.
在气候特别湿润的年月里，平常干涸的河床下游可能会有水流动，因为地下水在那里位抬升到了地表以上。
3
By day, the bed is stored on the ceiling, the under-surface becomes ceiling with the possibility of integrating lighting.