He cracked me on the head with a ruler.

他用尺子猛击我的头部。

《牛津词典》

He measured his feet with a ruler and then wrote down his size on a piece of paper.

他用尺子量了自己的脚，然后把尺寸写在一张纸上。

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Now let's label the larger marks on our ruler with the Numbers 0, 72, 144, and so on.

现在，让我们将标尺上的较大的标记的标签设置为数字0、72、144…，依次类推。

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Mister Stoker is thought to have based his evil Count Dracula character on a ruler who lived in fifteenth century Romania.

VOA: special.2010.01.20

The true ruler is the person who both acts on his own interest and of course knows what those interests are.

真正的统治者,仅干对自身有利的事,而且知道有哪些利益对他有好处。

耶鲁公开课 - 政治哲学导论课程节选

And this universality was given expression in Dante's famous treatise, De Monarchia, of monarchy, that set out a model for a universal Christian state, based on the unity and oneness of the human race under a Christian ruler.

而这种特性可追溯,至但丁的著名论述《论王权》,探讨君主政权,这设定了一种普遍基督国的模式，根据统一,与独一的人种皆受基督王权的统治。

耶鲁公开课 - 政治哲学导论课程节选

Joseph O'Brien, Ballydoyle's stable jockey and son of the trainer, had opted to ride the equally immodestly named Battle of Marengo, leaving the way clear for Ryan Moore to claim the ride on Ruler of the World.

CNN: Ruler of the World crowned king of Epsom Derby

Although ostensibly a moral fable based on the Greek myth of Apollo and Alphisa, its libretto, ascribed to Louis de Cahusac, contains what were then quite radical thoughts about the nature of a woman's right to choose her partner, and the role of the people in deciding on a ruler.

ECONOMIST: The London Proms

Bahrainis, including the opposition, cautiously welcomed the accession of Sheikh Hamad , who became ruler on the death of his father, Sheikh Isa.

ECONOMIST: The easing of Iran