shǎn​guāng​dēng

flash

闪光灯 閃光燈 shǎn​guāng​dēng
flash noun
A lighting device for photography that produces a brief, intense burst of light; flash lamp; flash bulb
beacon light
The main part of a navigational beacon that produces a timed flashing light or changes color
stroboscope
An instrument used to make a cyclically moving object appear to be slow-moving or stationary
shining light
A generic term for any light that flashes or shines

Frequency

Movie subtitles
2.24 per million appears in 1% of films
Written text
3.86 per million

Sources