IELTS学术词汇 (分数6-7) - Geometry

在这里，您将学习一些与几何学相关的英语单词，这些单词是学术雅思考试所必需的。

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cylinder

[名词]

(geometry) a solid or hollow shape with two circular bases at each end and straight parallel sides

圆柱体, 圆柱形

Ex: The ancient columns were made in the shape of massive stone cylinders, supporting the grand structure .古老的柱子被做成巨大的石制**圆柱体**形状，支撑着宏伟的建筑。

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sphere

[名词]

(geometry) a round object that every point on its surface has the same distance from its center

球体

Ex: Spheres are often used in design for their smooth and harmonious appearance .**球体**因其光滑和谐的外观常用于设计中。

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hexagon

[名词]

(geometry) a closed shape with six straight sides and six angles

六边形, 六角形

Ex: In geometry class , students learned how to calculate the area of a hexagon.在几何课上，学生们学习了如何计算**六边形**的面积。

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cone

[名词]

(geometry) a three dimensional shape with a circular base that rises to a single point

圆锥, 几何圆锥

Ex: The chef stacked three ice cream scoops in a waffle cone for the perfect summer treat .厨师将三个冰淇淋勺堆叠在华夫**锥**中，制成完美的夏季美食。

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tangent

[名词]

(mathematics) the ratio of the opposite to the adjacent side of a triangle that has one angle of 90°

正切, 切线

Ex: When the sun is setting , you can use the tangent to figure out the angle the sun makes with the horizon .当太阳落山时，你可以用**切线**来算出太阳与地平线形成的角度。

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ray

[名词]

a straight line with one endpoint that extends infinitely in the other direction

射线, 半直线

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isosceles triangle

[名词]

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

等腰三角形

Ex: The sum of the interior angles of an isosceles triangle is always 180 degrees .**等腰三角形**的内角和总是180度。

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octagon

[名词]

(geometry) a polygon consisting of eight straight sides and eight angles

八边形, 八边形

Ex: The child 's drawing featured a perfectly symmetrical octagon.孩子的画中有一个完美对称的**八边形**。

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swirl

[名词]

in geometry, a pattern or shape that exhibits a twisting or spiraling motion, often characterized by continuous, curved lines forming a rotational or helical design

漩涡, 螺旋

Ex: When mixing colors on a palette , an artist may create a swirl pattern to achieve a marbled effect .在调色板上混合颜色时，艺术家可以创建一个**漩涡**图案以实现大理石效果。

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vertex

[名词]

a point where two or more lines, edges, or rays meet to form an angle, or the point at which the sides of a polygon intersect

顶点, 顶点

Ex: In a cube , each of the eight corners is a vertex formed by the meeting of three edges .在立方体中，八个角中的每一个都是由三条边相交形成的**顶点**。

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ellipse

[名词]

(geometry) a closed plane curve that has two focal points

椭圆, 椭圆曲线

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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

Ex: Polygons can be classified based on the number of their sides , such as pentagons and hexagons .**多边形**可以根据其边数进行分类，例如五边形和六边形。

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pentagon

[名词]

a geometric shape with five angles and five straight sides

五边形, 五角形

Ex: She drew a pentagon on the chalkboard to illustrate its shape to the students .她在黑板上画了一个**五边形**，向学生们展示它的形状。

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helix

[名词]

(geometry) a line curved on a conical or cylindrical surface, like a spiral staircase in shape

螺旋线, 螺旋形

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decagon

[名词]

(geometry) a flat polygon with ten straight sides and ten angles

十边形, 十角形

Ex: The children were challenged to draw a perfect decagon during their geometry class .孩子们在几何课上被挑战画一个完美的**十边形**。

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nonagon

[名词]

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

九边形, 九角形

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heptagon

[名词]

a seven-sided plane shape consisting of seven line segments or edges that meet at seven interior angles

七边形, 七角形

Ex: One version of the game featured a board laid out in a grid of non-uniform heptagons instead of the usual squares .游戏的一个版本以非均匀**七边形**网格布局的棋盘代替了通常的方块。

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ellipsoid

[名词]

a three-dimensional shape similar to a stretched or compressed sphere

椭球体

Ex: Navigation systems often use ellipsoids to model the Earth 's surface for accurate positioning .导航系统经常使用**椭球体**来模拟地球表面以实现精确定位。

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cuboid

[名词]

a three-dimensional geometric shape with six rectangular faces, resembling a box or a rectangular prism

长方体, 矩形棱柱

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spheroid

[名词]

(geometry) a round 3D shape like a ball that is slightly flattened at the top and bottom points

球体, 旋转椭球体

Ex: Molten glass is spun at high speeds to form finely detailed scientific spheroids with uses as laboratory vessels or decorative art pieces .熔融玻璃高速旋转形成精细的科学**球体**，用作实验室器皿或装饰艺术品。

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prism

[名词]

(geometry) a solid figure with flat sides and two parallel ends of the same size and shape

棱镜

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polyhedron

[名词]

a solid shape made of flat sides that fit together along their edges

多面体, 由平面组成的立体形状，沿其边缘贴合

Ex: The architect used a polyhedron as the inspiration for the design of the modern sculpture in the park .建筑师使用了一个**多面体**作为公园现代雕塑设计的灵感。

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trigon

[名词]

a three-sided polygon

三角形, 三边形

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hexagram

[名词]

(geometry) a flat star-shaped figure with six points that can be formed by making equilateral triangles on each side of a regular hexagon

六角星形, 六芒星

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oblique angle

[名词]

an angle that measures either less or more that 90 degrees

斜角, 非直角

Ex: A 150-degree angle is another example of an oblique angle, falling in the second quadrant .150度的角是**斜角**的另一个例子，位于第二象限。

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reflex angle

[名词]

an angle that measures greater than 180 degrees but less than 360 degrees

优角, 反射角

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diameter

[名词]

a straight line from one side of a round object, particularly a circle, passing through the center and joining the other side

直径, 直径

Ex: The technician used a caliper to determine the diameter of the bearings needed for the machinery repair .技术员使用卡尺来确定机械维修所需的轴承的**直径**。

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circumference

[名词]

(geometry) the length of the external boundary of a curved shape, especially a circle

周长

Ex: The mathematician used the circumference to solve the geometry problem .数学家使用**周长**来解决几何问题。

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radius

[名词]

the length of a straight line drawn from the center of a circle to any point on its outer boundary

半径, 半直径

Ex: The radius of a planet determines its gravitational influence and orbital characteristics within a solar system .行星的**半径**决定了其在太阳系内的引力影响和轨道特性。

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IELTS学术词汇 (分数6-7)

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IELTS学术词汇 (分数6-7) - Geometry