1
be the ruler of [place]
He was the ruler of the empire.
他是这个帝国的统治者。
尺子；直尺
rulers — plural of ruler
先理解核心含义，再看它在真实句子里的用法。
尺子；直尺
A flat, straight strip with marks, used for measuring length or drawing straight lines.
He was the ruler of the empire.
他是这个帝国的统治者。
一种(通常为刚性的)扁平矩形测量或绘图工具,带有刻度单位；带标记的直尺。
A (usually rigid), flat, rectangular measuring or drawing device with graduations in units of measurement; a straightedge with markings.
统治者或指挥官
a person who rules or commands
统治或治理的人；行使支配或控制权力的人或事物。
A person who rules or governs; someone or something that exercises dominion or controlling power over others.
用于画直线和测量长度的直尺
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
I used a ruler to draw a straight line.
我用一把尺子画了一条直线。
Please measure the length of the table with a ruler.
请用尺子测量桌子的长度。
The ruler was known for his wise governance.
这位统治者以其贤明的治理而闻名。
He was the ruler of the empire.
他是这个帝国的统治者。
Measure the length with a ruler.
用尺子测量长度。
注意：'ruler' 作'直尺'义时，常与'use', 'with'等词搭配。
Use a ruler to draw a straight line.
用尺子画一条直线。
Not this
The king ruler the country.
Use this
The king rules the country.
ruler是名词，意为‘统治者’或‘尺子’，不能用作动词。表示‘统治’时，应使用动词rule。
Not this
I have many ruler.
Use this
I have many rulers.
ruler作为‘尺子’是可数名词，复数形式需加-s。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
用尺子测量
Measure the length of the table with a ruler.
用尺子测量桌子的长度。
国家统治者
The ruler of the country implemented new policies.
国家统治者实施了新政策。
使用尺子
Use a ruler to draw a straight line.
使用尺子画一条直线。
专制统治者
The king was an absolute ruler with no parliament.
国王是专制统治者，没有议会。
尺子刻度
The ruler marks are in centimeters and inches.
尺子刻度有厘米和英寸。
仁慈的统治者
She was remembered as a benevolent ruler who cared for her people.
她被铭记为一位关爱人民的仁慈统治者。
我是一切的统治者。
I am the ruler of everything.
我是一切的统治者。
七大王国的真正统治者。
The one true ruler of the Seven Kingdoms.
七大王国的真正统治者。
Use rulers naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：统治者用尺子测量土地，记住 ruler 既有‘尺子’又有‘统治者’的意思。
尺子：多用于学校、办公室、制图等测量或绘图场景；统治者：多见于政治、历史、权力等正式语境。
Only 'cooler' rhymes exactly with 'ruler' (/uːlər/). The other words (teacher, player, reader, writer) share the '-er' suffix but have different vowel sounds (e.g., /iː/, /eɪ/, /aɪ/).
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.