colour-bar

n (US `color line) legal or social discrimination between people of different races, esp between whites and non-whites 肤色障碍（法律上的或社会上的种族歧视, 尤指白种人与非白种人之间的）.

colonization, -isation, colonize, colonize, colonise, colonnade, colonnaded, colony, color, color-blind, colorable, coloration, coloratura, colored, colorful, colorless, colossal, colossus, colour, colour (US color), colour code, colour scheme, colour-blind, colour-blindness, colour-coded, colour-fast, coloured, coloured (US colored), colourful, colourful (US colorful), colouring, colourless, colourless (US colorless), colt, colter, coltish, columbine, Columbus, column, columnist, coma, comatose,