The White House insists that the president is in touch with the pulse of the black community.

白宫坚持说总统了解黑人社区的民意。

《柯林斯英汉双解大词典》

At college, Barack Obama didn't know that he was to become the first black president of the United States of America.

上大学时，巴拉克·奥巴马并不知道他将成为美利坚合众国的第一位黑人总统。

youdao

At college, Barack Obama didn't know that he would be the first black president of the United States of America.

大学时，巴拉克·奥巴马并不知道他会成为美国第一位黑人总统。

youdao

He will be inaugurated as the 44th president of the United States, and the first black president, on January 20th.

VOA: special.2009.01.12

Martin Henry Freeman, the first black college president in the United States, was born in Rutland,Vermont.

VOA: special.2010.10.25

He was the first black deputy Secretary of State in the administration of President John F.Kennedy.

VOA: special.2009.11.01

In fact, if President Clinton was dubbed the first black president, then I think Obama could be dubbed maybe not the first female president, but the first feminist president.

FORBES: Connect

President Obama, a hero in black America as the first black president, has been remarkably quiet on this issue until recently.

WSJ: Juan Williams: Race and the Gun Debate

Euphoria swept across Sub-Saharan Africa when Barack Obama was elected the first black president of the United States in 2008.

FORBES: Africa And Obama: What The Continent Should Do In His Second Term