1.On September 21st Troy Davis, a black man convicted of shooting an off-duty white policeman, was executed in the American state of Georgia.
九月二十一日，美国佐治亚州一位名叫特洛伊.戴维斯的黑人被判定枪杀了一名下班了的白人警察而被处决。
2.Although this is a mis-shot, it discloses the racial discrimination of the young white policeman against the black.
这虽然是一起误杀，但却暴露出年轻白人警察的种族偏见。
3.In 1992, the white policeman beat Negro driver Rodney King, which triggered a large-scale ethnic conflict in Los Angeles.
1992年白人警察殴打黑人司机罗德尼？金引发了洛杉矶大规模的种族冲突；
4.A black civilian was killed by a white policeman.
翻译一个黑人平民被一个白人警察打死了。