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Draws a green closed curve through the seven points.
绘制一条经过七个点的绿色闭合曲线.
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A closed curve bounding a plane area.
'周界'.''围绕一平面域的封闭性边界.
闭曲线???
英汉双解词典包含4367426条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。