黑暗区域 meaning in English
dark corners
Examples
- Are dark small regions on the sun . their temperature is only 4000k compared to 6000k elsewhere in the photosphere . since they are cooler , less light is produced and they appear as black spots
是太阳的黑暗区域，温度只有约4000度，由于相对来说它们比光球层其他地方冷，产生的光亦较少，所以看来较暗。