angle
the space between two lines or surfaces that are joined, measured in degrees or radians
角度
[名词]
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登录pyramid
a solid object with a square base and four triangular sides joined to a point on the top
金字塔
[名词]
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登录vertical
positioned at a right angle to the horizon or ground, typically moving up or down
垂直
[形容词]
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登录prism
(geometry) a solid figure with flat sides and two parallel ends of the same size and shape
棱镜
[名词]
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登录sphere
(geometry) a round object that every point on its surface has the same distance from its center
球体
[名词]
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登录symmetry
the quality of having two halves that are exactly the same, which are separated by an axis
对称
[名词]
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