brightness/ˈbraɪt.nəs/名词明亮;亮度The brightness of the snow made him blink.明亮的雪让他眨眼。(颜色)鲜艳,鲜亮I love the brightness of the colours in this room.我喜欢这个房间里明亮的颜色。乐观;快乐the brightness of her smile她笑容中的快乐想跟读,去练习