If bricks or wooden walls are treated but unpainted they look beautiful.墙面经过打磨(刮大白)但不喷色漆看起来会很漂亮.RUST unpainted metal tools were covered with rust.未上漆的金属工具布满了锈.Unpainted wooden furniture weathers to a grey colour...没有上漆的木...
The photographic elements contain a blue - sensitive hydrophilic colloid silver halide emulsion layer.照像材料含有亲水胶体的感蓝卤化银卤剂层.Molecules with both hydrophilic and hydrophobic groups are called amphipathic or amphiphilic.分子兼有亲...