n.色球层
It is difficult to photograph the actual chromosphere. 拍摄实际的色球层很困难。
The rest escapes as sound waves, mechanical vibrations that heat the chromosphere, the middle layer of the sun's atmosphere. 其余部分则以声波即机械振动的形式散逸，它们加热了太阳大气的中间一层，即色球层。
