If something glows, it produces a dull, steady light.
发出微弱稳定的光• The night lantern glowed softly in the darkness. 夜灯在黑暗中发出微弱的光。
A glow is a pink colour on a person's face, usually because they are healthy or have been exercising.
(脸上的) 红光• The moisturizer gave my face a healthy glow that lasted all day.