ruler

/ˈruːlə(r)/ n.
标准词条 CET-4
一句话记住

尺；直尺；统治者；君主

释义与例句

n. 尺；直尺
a straight, flat strip of plastic, wood, or metal marked with units for measuring length or drawing straight lines
  1. Use a ruler to draw a straight line ten centimetres long.
    用直尺画一条十厘米长的直线。
  2. She measured the width of the book with a small plastic ruler.
    她用一把小塑料尺量了这本书的宽度。
展开其余 1 条例句
  1. The pupils lined up their rulers along the edges of their maps.
    学生们把直尺沿地图的边缘对齐。
n. 统治者；君主
a person who rules or governs a country or other political area
  1. The country's new ruler promised to reform the legal system.
    这个国家的新统治者承诺改革法律体系。
  2. The palace was built for a ruler who wanted to display his power.
    这座宫殿是为一位想要彰显权力的统治者建造的。
展开其余 1 条例句
  1. During her long reign, the ruler established schools and hospitals.
    在长期执政期间，这位统治者兴办了学校和医院。

词源与构词

记忆钩子 ruler 由 rule 加 -er 构成，既可指“统治者”，也可指带刻度的直尺；量长窗帘或腰围通常用 tape measure，而不是硬直尺。

词族与关联词

词族（同一词根派生出的不同词性或形式）
  • rule 规则；统治；管理
    作名词可指规则或统治时期，作动词可指统治、管理或作出裁决。
易混词（形近或义近，注意区别）
  • tape measure 卷尺；皮尺
    ruler 通常是短而硬直的尺子，有刻度，适合画直线和测量较短距离；tape measure 是可弯曲或卷起的测量尺，适合量较长物体、房间尺寸或身体围度。二者都可能有厘米或英寸刻度。
    He used a tape measure to check the length of the curtains. 他用卷尺量了窗帘的长度。
常见搭配
  • a wooden ruler 一把木尺
    The desk contained a pencil, a wooden ruler and an old notebook. 书桌里有一支铅笔、一把木尺和一本旧笔记本。
  • a 30-centimetre ruler 一把三十厘米的尺子
    Each pupil needs a 30-centimetre ruler for the geometry exercise. 每名学生做这道几何练习都需要一把三十厘米的尺子。
  • the ruler of ……的统治者
    He became the ruler of a small but prosperous state. 他成了一个虽小但繁荣的国家的统治者。