Level 4 · word 4,328 of 20,000
ruler
/ˈruːlər/
American
- n. 统治者, 尺子
- Definition
- n. a person who governs a country, or a flat strip used for measuring and drawing straight lines
- Example
- He used a wooden ruler to draw a straight line.
- 他用一把木尺画了一条直线。