And because most of the new immigrants are people of color, cultural adjustments must be made by all groups in America if we are to learn to live together as one nation."

VOA: special.2011.03.20

We said there are seven notes in each of these two scales, twelve pitches all together within the octave.

我们说在这两个音阶中都有七个音符,一个八度包含十二个音高

耶鲁公开课 - 聆听音乐课程节选

And all we mean by constructive interference is that literally those two waves add together, such as the maxima are now twice as high, and the minima are now twice as low.

相干相长，相干相长也就是,说两个波加在一起，所以最大值变成2倍那么高，最低值变成2倍那么低。

麻省理工公开课 - 化学原理课程节选

"That means that all of us have to work together to make sure that we are taking seriously the investments we make in our children's future."

VOA: standard.2010.02.22

"I think all of Iranians should be together and this way they can show the other people that we are together and support the people that are in prison in Iran and all the people that are killed.

VOA: standard.2009.07.25

"When you put that all together it suggest that we are going to need something like 50 percent more, perhaps 100 percent more, food from our existing land and that is a very significant challenge and we believe we need to be thinking seriously about that right away,"

VOA: standard.2009.10.21