brightness
英 ['bra?tn?s]
美['bra?tn?s]
- n. [光][天] 亮度；聰明，活潑；鮮艷；愉快
英英釋意
- 1. the location of a visual perception along the black-to-white continuum
- 2. intelligence as manifested in being quick and witty
- 3. the quality of being luminous; emitting or reflecting light;
- "its luminosity is measured relative to that of our sun"