adj. 黑色的;黑人的;邪恶的
n. 黑色;黑人;黑颜料
vt. 使变黑;把鞋油等涂在…上;把(眼眶)打成青肿
vi. 变黑
n. (Black)人名;(英、西)布莱克;(德、葡、捷)布拉克
For years it has been a common practice to use red ink instead of black in showing a loss or deficit on corporate books, but not until the heavy losses of 1921 did the contrast in colors come to have a widely understood meaning. ["Saturday Evening Post," July 22, 1922]