visual brightness

例句：

1. 1. The movie was so darkthat it made the visual brightness ofthe screen almost indistinguishable.
   这部电影太暗了，以至于屏幕的视觉亮度几乎无法区分。
2. 2. The artist's use of color is highly effectivein enhancing the visual brightness of hispaintings.
   这位艺术家使用颜色非常有效，增强了他画作的视觉亮度。
3. 3. The newdisplay technology has greatly improved the visual brightness and contrast ratio of the monitor.
   新的显示技术大大提高了显示器的视觉亮度和对比度比。