" ...when all of God's children, black men and white men, Jews and Gentiles, Protestants and Catholics, will be able to join hands and sing in the words of the old Negro spiritual: Free at last! Free at last!

VOA: special.2010.04.16

it's this paper mend with a plastic cover and there's all these black magnetic particles here.

它是用这种纸以及一种塑料覆在上面,这里还有一些黑色磁性粒子。

哈佛公开课 - 计算机科学课程节选

all of great black entertainers and others after. This is the roots, Harlem.

所有的黑人明星。哈莱姆就是黑人的根据地。

对哈莱姆好奇吗？ - SpeakingMax英语口语达人

We are here to offerprotection and help for all thosewho need our help, because we,the Black Panthers, are against the war in Vietnam.

VOA: standard.other

(BIRD's SOUND) That's the song of The Australian zebra finch is named for the black and white stripes on the male's throat - he's the one who does all the singing.

VOA: standard.2010.04.05