There's gold with silver layered on top and it creates kind of an iridescent shimmer.

金色和银色层叠在一起，闪烁着彩虹般的光泽。

The silver layer reflected away the incoming sunlight while the sandwiched polymer allowed the device to shed heat in the form of infrared radiation.

银层反射掉入射的阳光，而夹在中间的聚合物则使设备以红外辐射的形式散发热量。