pattern

颜色和形状 - 二维图形

阅读本课以学习一些二维形状的英文名称,例如“风筝”、“正方形”和“椭圆形”。

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Words Related to Colors and Shapes
circle
circle
[名词]

a completely round, plain shape

圆, 圆形

圆, 圆形

Ex: The sun was a bright orange circle in the sky during the sunset. 
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triangle
triangle
[名词]

(geometry) a flat shape consisting of three straight sides and three angles

三角形, 三角形状

三角形, 三角形状

Ex: The artist used a triangle shape to create a dynamic composition. 

艺术家使用三角形形状来创建动态构图。

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rectangle
rectangle
[名词]

(geometry) a flat shape with four right angles, especially one with opposing sides that are equal and parallel to each other

矩形, 长方形

矩形, 长方形

Ex: The window was a large rectangle, allowing plenty of natural light into the room. 

窗户是一个大长方形,让大量自然光进入房间。

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kite
kite
[名词]

a four-sided shape with two pairs of equal-length adjacent sides

风筝, 风筝形

风筝, 风筝形

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square
square
[名词]

a shape with four equal straight sides and four right angles, each measuring 90°

正方形, 方形

正方形, 方形

Ex: The tablecloth on the dining table had a beautiful square pattern. 
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trapezoid
trapezoid
[名词]

(geometry) a flat shape with four flat sides, two of which are parallel

梯形, 不规则四边形

梯形, 不规则四边形

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parallelogram

(geometry) any flat shape with four straight sides, the opposite sides of which are equal and parallel to each other

平行四边形, 任何有四条直边的平面形状,其对边相等且彼此平行

平行四边形, 任何有四条直边的平面形状,其对边相等且彼此平行

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rhombus
rhombus
[名词]

(geometry) a flat shape with four equal sides in which opposite angles are equal

菱形, 斜方形

菱形, 斜方形

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polygon
polygon
[名词]

(geometry) a flat shape consisting of three or more straight sides

多边形, 由三条或更多直线边组成的平面形状

多边形, 由三条或更多直线边组成的平面形状

Ex: The children learned to identify different polygons in their geometry class. 

孩子们在他们的几何课上学会了识别不同的多边形。

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right triangle

a flat geometric shape consisting of three straight sides and one right angle

直角三角形, 有一个直角的三角形

直角三角形, 有一个直角的三角形

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oblique triangle

a triangle that does not have a right angle

斜三角形, 非直角三角形

斜三角形, 非直角三角形

Ex: My kite, shaped like an oblique triangle, soared in the windy sky. 

我的风筝,形状像一个斜三角形,在多风的天空中翱翔。

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scalene triangle

a type of triangle that has all three sides of different lengths

不等边三角形, 三边长度都不相等的三角形

不等边三角形, 三边长度都不相等的三角形

Ex: In the garden, I noticed a scalene triangle formed by the intersecting paths. 

在花园里,我注意到由交叉的小路形成的一个不等边三角形。

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isosceles triangle

a type of triangle that has two sides of equal length and two angles of equal measure

等腰三角形

等腰三角形

Ex: If the angles of an isosceles triangle are labeled A, B, and C, and side AB is congruent to side BC, then angle A is congruent to angle C. 

如果一个等腰三角形的角被标记为A、B和C,并且边AB与边BC全等,那么角A与角C全等。

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equilateral triangle

a type of triangle with all three sides of equal length

等边三角形, 等边三角形

等边三角形, 等边三角形

Ex: The pyramid had an equilateral triangle as its base. 

金字塔的底座是一个等边三角形。

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acute-angled triangle

a type of triangle in which all three angles are less than 90 degrees

锐角三角形, 有锐角的三角形

锐角三角形, 有锐角的三角形

Ex: During math class, we measured angles in acute-angled triangles. 

在数学课上,我们测量了锐角三角形中的角度。

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obtuse-angled triangle

a type of triangle that has one angle greater than 90 degrees

钝角三角形, 有一个钝角的三角形

钝角三角形, 有一个钝角的三角形

Ex: The warning sign displayed an obtuse-angled triangle to indicate a wide turn ahead. 

警告标志显示了一个钝角三角形,表示前方有一个宽阔的转弯。

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rhomboid
rhomboid
[名词]

(geometry) a parallelogram with four straight sides and no right angles

菱形, 没有直角的平行四边形

菱形, 没有直角的平行四边形

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semicircle
semicircle
[名词]

any half of a circle

半圆, 半圆形

半圆, 半圆形

Ex: The architects designed the auditorium with a semicircle of seats for better acoustics. 

建筑师设计了带有半圆形座位的礼堂以获得更好的音响效果。

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lozenge
lozenge
[名词]

(geometry) a four-sided figure with opposite equal angles, forming a diamond shape

菱形, 斜方形

菱形, 斜方形

Ex: He drew a lozenge to represent the diamond shape. 

他画了一个菱形来表示钻石的形状。

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oblong
oblong
[名词]

a rectangular figure that has unequal adjacent sides with arched angles

长方形,长椭圆形, round-edged rectangle

长方形,长椭圆形, round-edged rectangle

Ex: She decided to buy an elegant oblong dining table to fit the shape of her dining room. 

她决定买一张优雅的长方形餐桌,以适应她餐厅的形状。

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oval
oval
[名词]

a shape that is wide in the middle and narrow at both ends

椭圆形, 椭圆形状

椭圆形, 椭圆形状

Ex: She drew an oval to represent an egg in her illustration. 

她在插图中画了一个椭圆形来代表一个鸡蛋。

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