"Change is possible," Obama said in San Francisco.

“变化是可行的，”奥巴马在旧金山说。

youdao

Even Barack Obama works hard to perfect every speech.

就连奥巴马也在努力完善每一次演讲。

youdao

Mr Obama spent four happy years as a boy in the country.

奥巴马曾经在此地愉快地度过了四载童年岁月。

youdao

The activists gained national attention by protesting the health care reform efforts of President Obama and the Democrats in Congress.

VOA: special.2010.03.06

President Obama, I think, recognized that and has said that there are other people in this administration looking at those questions.

总统奥巴马认识到了这一点并说过过,政府中还有其他人,在关注那些问题。

普林斯顿公开课 - 人性课程节选

But I think this is, this is something that under Obama is getting a lot better.

但我觉得这是，在奥巴马执政下改善了很多。

扶贫政策 - SpeakingMax英语口语达人

"Even many of Obama's supporters believed that the prize was a mistake, " he says.

BBC: Nobel secretary regrets Obama peace prize

Various surveys gave Mr Romney a 46-67% margin, with Mr Obama trailing on 22-25%.

BBC: Mitt Romney admits 47% remark was 'completely wrong'

But I am concerned about how Obama will handle the crisis in the Middle East.

BBC: Voters' Views: Jessica Ross