The rebels began their guerilla campaign for a separate Tamil homeland in 1983, and at the height of their power they controlled vast swathes of territory.

VOA: standard.2009.04.06

This is a poem written in the depth of the Depression and also at the height of Frost's fame.

这是一首写在经济危机时候的诗,也是在弗罗斯特最有名的时候。

耶鲁公开课 - 现代诗歌课程节选

It knows that this particle happened to have a height of 15, at the time of 0, and a velocity of 10, and it is falling under gravity with an acceleration of -10.

这个质点恰好处在高度为15的地方,零时刻,初速为10,并在重力作用下以-10的加速度下坠

耶鲁公开课 - 基础物理课程节选