Word · CEFR B2 · Frequency #5296
triangle
三角形
A flat shape with three straight sides and three angles.
- 1.
A polygon with three sides and three angles.
有三条边和三个角的多边形
- 2.
a three-sided polygon
三边形
- 3.
A percussion instrument made by forming a metal rod into a triangular shape which is open at one angle. It is suspended from a string and hit with a metal bar to make a resonant sound.
将金属棒弯成三角形(一角开口)的打击乐器,用绳悬挂,以金属棒敲击发声
- 4.
something approximating the shape of a triangle
近似三角形的东西
- 5.
A triangular piece of equipment used for gathering the balls into the formation required by the game being played.
用于将球聚集到比赛所需阵型的三角形设备
- 6.
a small northern constellation near Perseus between Andromeda and Aries
小北斗星座,位于仙女座和白羊座之间
- 7.
A love triangle.
三角恋
- 8.
The structure of systems composed with three interrelated objects.
由三个相互关联的对象组成的系统结构
- 9.
A draughtsman's square in the form of a right-angled triangle.
制图用的直角三角尺
- 10.
Any of various large papilionid butterflies of the genus Graphium.
各种大型凤蝶属蝴蝶
- 11.
A triangular formation of railway tracks, with a curve on at least one side.
铁路轨道的三角形布局,至少一侧有曲线
三角形物；三角恋；三角结构；三角铁；三角板
In use
In geometry class, we learned that the sum of the angles inside a triangle is always 180 degrees.
She drew a large triangle on the whiteboard to demonstrate the problem.
The children counted all the triangles they could spot in the pattern.
the coastline of Chile and Argentina and Brazil forms two legs of a triangle
a triangle of [n]
表示某物呈三角形
a triangle of land
一块三角形的地
the [n] of a triangle
表示三角形的属性
the area of a triangle
三角形的面积
Connections
Collocations
- right triangle
- 直角三角形
- A right triangle has one 90-degree angle.直角三角形有一个90度的角。
- isosceles triangle
- 等腰三角形
- An isosceles triangle has two equal sides.等腰三角形有两条相等的边。
- equilateral triangle
- 等边三角形
- An equilateral triangle has three equal sides.等边三角形有三条相等的边。
- triangle shape
- 三角形形状
- The road sign has a triangle shape.这个路标是三角形形状。
- area of a triangle
- 三角形面积
- The area of a triangle is half the base times height.三角形的面积是底乘高的一半。
- triangle inequality
Learner notes
Memory Tip
tri 是三，angle 是角，合起来就是三角形。
Context & Register
语域：neutral 常见场景：geometry、everyday objects 通常用于几何学术语和日常描述物体的形状。
Grammar Note
注意：triangle为可数名词，复数加-s。
Pronunciation & Spelling
These words share the spelling pattern '-ngle' and the ending consonant cluster /ŋɡəl/, but their stressed vowels differ. For example, 'angle' and 'strangle' rhyme with /æ/, while 'single' has /ɪ/. 'Triangle' (/ˈtɹaɪəŋɡəl/) has a first-syllable stress on /aɪ/ and does not rhyme with these words, though the final /ŋɡəl/ matches.
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 1，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.