measuring stick consisting of a strip of wood or metal or plastic with a straight edge that is used for drawing straight lines and measuring lengths 同义词：rule,
a person who rules or commands; "swayer of the universe" 同义词：swayer,
A ruler, sometimes called a rule or line gauge, is an instrument used in geometry, technical drawing, printing and engineering/building to measure distances and/or to rule straight lines. Strictly speaking, the ruler is essentially a straightedge used to rule lines, but typically the ruler also contains calibrated lines to measure distances.
例句与用法
1.
Look at a ruler to see how small this is . 看看直尺便可知道这是多么小。
2.
Peter the great was a russian ruler . 彼得大帝曾是俄国的统治者。
3.
I need fifty sheets of plain paper and a ruler . 我需要50张白纸和一支尺。
4.
They were welcomed at both places by the rulers . 他们受到了两地统治者的欢迎。
5.
The country was bled white by her foreign rulers . 这个国家被外国统治者榨尽了血汗。
6.
I find such profound differences among our rulers . 我认为我们这些统治者们有很大区别。
7.
Prince is on his brow, and ruler in his bearing . 他眉宇之间有帝王威仪，举止象个君王。
8.
In 1753, a palace revolution there placed on the throne a ruler . 在1753年的一次宫廷政变中，一个统治者篡夺了王位。
9.
Many conquered nations had to pay tribute to the rulers of ancient rome . 许多被征服的国家必须向古罗马的统治者朝贡。
10.
One day some of the rulers of carthage came to the prison to talk with reglus . 一天，迦太基的一些统治者来到监狱同雷左拉斯谈话。
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