Word
trapezium
无平行边的四边形；不规则四边形
a four-sided shape with no parallel sides
美式英语中指无平行边的四边形；英式英语中trapezium常指梯形（即美式英语的trapezoid）。
- 1.
The trapezium bone of the wrist.
手腕的梯形骨。
- 2.
a quadrilateral with no parallel sides
没有平行边的四边形
- 3.
A region on the ventral side of the brain, either just back of the pons Varolii, or, as in man, covered by the posterior extension of its transverse fibers.
脑腹侧区域,位于脑桥后方或覆盖其横纤维。
- 4.
a multiple star in the constellation of Orion
猎户座中的多星系统
- 5.
the wrist bone on the thumb side of the hand that articulates with the 1st and 2nd metacarpals
位于手拇指侧的腕骨,与第一和第二掌骨相连
大多角骨；猎户座四边形星团；斜方体（脑部）；手腕的梯形骨。；没有平行边的四边形
In use
The math teacher drew a trapezium on the board and asked us to label its four angles.
This woodworking project starts with cutting a trapezium from a sheet of plywood.
If both pairs of opposite sides are parallel, then the shape is not a trapezium.
a trapezium
trapezium 指不规则四边形，美式英语中通常指梯形，但此处按英式用法。
The garden is designed as a trapezium.
花园被设计成一个不规则四边形。
the shape of a trapezium
The table has the shape of a trapezium.
这张桌子形状为不规则四边形。
trapezium-shaped [noun]
trapezium-shaped 是复合形容词，修饰名词。
Connections
Synonyms
- irregular quadrilateral
- 不规则四边形 · 这两个词在几何学中可互换使用，但 'trapezium' 是专业术语，而 'irregular quadrilateral' 是描述性说法。
Antonyms
Confusing words
- trapezoid
- 梯形 · 英式英语中 trapezium 指不规则四边形（无平行边），而 trapezoid 指梯形（有一对平行边）；美式英语则相反。
Word family
- trapezoid
- 梯形 · noun
- trapezoidal
- 梯形的 · adjective
Learner notes
Grammar Note
不规则四边形是可数名词。
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 ECDICT, WIKTIONARY.