Word · CEFR A1 · Frequency #4145
ruler
尺子；直尺
A flat, straight strip with marks, used for measuring length or drawing straight lines.
- 1.
A (usually rigid), flat, rectangular measuring or drawing device with graduations in units of measurement; a straightedge with markings.
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。
- 2.
a person who rules or commands
统治者或指挥官
- 3.
A person who rules or governs; someone or something that exercises dominion or controlling power over others.
统治或治理的人；行使支配或控制权力的人或事物。
- 4.
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
用于画直线和测量长度的直尺
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。；统治者或指挥官；统治或治理的人；行使支配或控制权力的人或事物。；用于画直线和测量长度的直尺
In use
I used a ruler to draw a straight line.
Please measure the length of the table with a ruler.
The ruler was known for his wise governance.
be the ruler of [place]
He was the ruler of the empire.
他是这个帝国的统治者。
measure [object] with a ruler
Measure the length with a ruler.
用尺子测量长度。
use a ruler to [verb phrase]
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。
Connections
Collocations
- measure with a ruler
- 用尺子测量
- Measure the length of the table with a ruler.用尺子测量桌子的长度。
- ruler of the country
- 国家统治者
- The ruler of the country implemented new policies.国家统治者实施了新政策。
- use a ruler
- 使用尺子
- Use a ruler to draw a straight line.使用尺子画一条直线。
- absolute ruler
- 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。
- ruler marks
- 尺子刻度
- The ruler marks are in centimeters and inches.尺子刻度有厘米和英寸。
- benevolent ruler
Learner notes
Memory Tip
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。
Context & Register
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。
Pronunciation & Spelling
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/).
High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Usage priority
Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.