Skyglow is a term scientists use to describe light that becomes more intense.

天光是科学家用来描述光线变得更加强烈的一个术语。

As cities expand and put up more lights, a " skyglow" is created in the sky.

随着城市的扩张和安装更多的灯，天空中产生了一种“天光”。

Skyglow affects human circadian rhythms as well as other forms of life, said Georgetown University biologist Emily Williams.

乔治城大学生物学家艾米丽·威廉姆斯说，天光会影响人类的昼夜节律以及其他形式的生命。