absolute rulers
ruler and compass
political leaders
A: Do you have any rulers in your pencil case?
A：你的铅笔盒里有直尺吗？
B: Yes, I have two rulers here.
B：有的，我这里有两把直尺。
1) 统治者、君主
2) 直尺、测量工具
1. 统治者；君主
2. 直尺
noun
1. people who exercise authority over an area or a group of people.
2. objects used for measuring or drawing straight lines.
Synonym: monarchs, sovereigns