Negro

a. 黑人的
n. 黑人

It's impolite to call the black people Negros.

称呼黑人为Negro是不礼貌的。

The Negro prisoner was forced to wear a ball and chain attached to one of his ankles.

那个黑人囚犯被迫在一只脚上带上了系有铁球的脚链。