black+blue=
问题描述：
black+blue=
答
表示青一块紫一块
答
black(黑)+blue(蓝)=darkblue(深蓝)
呵呵，美术问题哦！
答
black and blue: 青一块紫一块例句与用法:1. I was black and blue after I had fallen down the stairs. 我从楼梯上摔下来,摔得青一块紫一块的.2. He fell down the stairs and was all black and blue. 他从楼...
答
乌青