saturation
n[U]
saturating or being saturated 浸湿; 浸透; 饱和. adj [attrib 作定 语] (of an attack) carried out in such a way that the whole of an area is affected (指攻击)呈饱和状态的, 遍及各处的
saturation bombing of the town 对该城的饱和轰炸.
Yes, and we must stop people walking on this floor until it's firm. It may be necessary to put up a notice saying Keep off. Another thing, we' ll have to drill a hole in the wall for the electric wires.