Every year in June, Hawaiians come to the Capitol to honor this ancient ruler.

VOA: special.2010.01.27

So here's the long ruler and here's this thing moving.

这里有把很长的尺子,而这里有个物体在运动

耶鲁公开课 - 基础物理课程节选

This new ruler was from Scotland and London was alive with Scottish culture.

VOA: special.2010.01.13

This woman was the lover of Milan's ruler, Ludovico Sforza.

VOA: special.2010.09.15