n. the location of a visual perception along a continuum from black to white
n. intelligence as manifested in being quick and witty
n. 光亮, 明亮, 聪明
[计] 亮度
1. The brightness of the sun makes it hard to see without sunglasses.
阳光的 brightness 让人很难在不戴太阳镜的情况下看清楚。
2. She adjusted the brightness of her computer screen to reduce eye strain.
她调节了电脑屏幕的 brightness 以减轻眼睛疲劳。
3. The brightness of the stars is often affected by light pollution.
星星的 brightness 常常受到光污染的影响。