ruler中文什么意思

n.
1.统治者，支配者。
2.尺，画线板。

• a ruler:    一把直尺
• is that a ruler:    那是一把尺子吗
• that ruler:    那把尺

例句与用法

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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。

英文释义

名词

1. 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
2. a person who rules or commands; "swayer of the universe"
   同义词：swayer

百科释义

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.