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颜色和形状 - 二维形状

阅读本课,学习一些二维形状的英文名称,例如“kite”、“square”和“oval”。

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Words Related to Colors and Shapes
circle

a completely round, plain shape

圆

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triangle

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

三角形

三角形

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rectangle

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

矩形

矩形

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kite

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

菱形

菱形

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square

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

正方形

正方形

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trapezoid

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

梯形

梯形

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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

平行四边形

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rhombus

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

菱形

菱形

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polygon

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

多边形

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

直角三角形

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oblique triangle

a triangle that does not have a right angle

斜三角形

斜三角形

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scalene triangle

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

不等边三角形

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

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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

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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

锐角三角形

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obtuse-angled triangle

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

钝角三角形

钝角三角形

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rhomboid

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

菱形

菱形

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semicircle

any half of a circle

半圆

半圆

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lozenge

(geometry) a figure with four sides and two opposite angles more than 90° and two of less than 90°

菱形

菱形

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oblong

a rectangular figure that has unequal adjacent sides with arched angles

长方形,椭圆形长方体

长方形,椭圆形长方体

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oval

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

一个椭圆

一个椭圆

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