illumination
noun formal uk/ɪˌluː.mɪˈneɪ.ʃən/ us/ɪˌluː.məˈneɪ.ʃən/
[ C or U ]光，照明
light
The only illumination was from a skylight. 唯一的光亮来自天窗。
illuminations [ plural ] mainly UK 灯彩，灯饰
coloured decorative lights outside that make a town look bright and exciting at night
the Blackpool illuminations 布莱克普彩灯秀
The celebrations included bonfires and illuminations from one end of the country to the other.
I believe our city's illuminations are the best in the world.
There were processions, illuminations, and musical events.
During the tourist season, wonderful illuminations deck the streets.