ruler
US /ˈruː.lɚ/
UK /ˈruː.lɚ/

名词
1.
统治者, 君主
a person exercising government or dominion
示例:
•
The benevolent ruler was loved by all his subjects.
这位仁慈的统治者受到所有臣民的爱戴。
•
The country was under the absolute power of a single ruler.
这个国家处于一个统治者的绝对权力之下。
2.
尺子
a straight strip of wood, plastic, or metal, marked in inches or centimeters and used for measuring or drawing straight lines
示例:
•
Please use a ruler to draw a straight line.
请用尺子画一条直线。
•
I need a ruler to measure the length of this table.
我需要一把尺子来测量这张桌子的长度。
在 Lingoland 学习这个单词