组成的单词是ruler，意思是尺子、格尺，例如：
1、His guitar makes a noise like a wooden ruler being twanged upon a desk.他的吉他发出一声仿佛木尺弹在课桌上的噪音。
2、He cracked me on the head with a ruler.他用尺子猛击我的头部。
3、The original elections were declared void by the former military ruler.前军事领导人宣布最初的选举无效。
