However, every time Paul rolled over, huge waves covered all the coastal towns.

VOA: special.2009.01.24

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

"So our main challenges are: how do we stabilize the vessel itself in all those waves?

VOA: standard.2010.01.04