名词
中文翻译：椭圆
同义词：
['ellipsoid', 'spherical']
例句：
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1.The ellipse is the curved shape of a circle.
椭圆是圆的弯曲形状。
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2.The ellipse is used to describe the shape of the Earth's surface.
椭圆用来描述地球表面的形态。
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3. The ellipse is the path that the sun takes across the sky.
椭圆是太阳穿越天空的路径。