厨房地板上方的水分可以通过地板表面的小洞渗入，肉眼是看不到的。
A.Water above the kitchen floor can seep in through small holes in the floor surface, invisible to the naked eye B.Eyes cannot see the vapor which may penetrate through small holes of the floor surface in the galley. C.Moisture above the galley floor can go through small holes in the floor surface area and stay out of view.正确答案A
