名词
中文翻译：边际部分
同义词：
['marginal', 'margin', 'edge']
例句：
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1.The book's cover is adorned with a beautiful border.
这本书的封面装饰着美丽的边框。
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2. The artist carefully painted the edge of the canvas.
艺术家小心翼翼地画了画布的边缘。
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3.The scientist studied the molecular structure of the material at the marginal region.
科学家研究了材料在边缘区域的结构。