Level 6 · word 19,445 of 20,000

fluorescence

/ˌflʊˈresəns/ American
  • n. 荧光
Definition
  • n. light given off by a substance when it absorbs radiation such as ultraviolet light
Example
The fluorescence of the lamp lit up the whole dark room.
这盏灯发出的荧光照亮了整个黑暗的房间。