名词
中文翻译：半椭圆
同义词：
['semicircle', 'semicircular']
例句：
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1.The sun is an illustrious star that casts a semiellipse on the earth's surface.
太阳是一个光辉灿烂的恒星，它在地球表面投下了一个半椭圆。
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2. The artist created a semiellipse of light that danced across the room.
艺术家创作了一片光的半椭圆，在房间里跳舞。
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3.In the painting, the artist depicted a semiellipse of water reflecting the moonlight.
这幅画中，艺术家描绘了一片水的光半椭圆，反射着月光。