名词
中文翻译：补充材料
同义词：
['supplementary', 'appendix', 'supplementary materials']
例句：
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1. The report containsseveral supplementary tables and charts.
这份报告包含了几个补充的表格和图表。
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2.The teacher provided a supplementary explanation of the difficult concept.
老师提供了对这一难概念的补充解释。
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3. The research paper includes a detailed supplementary section on the methodology.
研究报告详细地包括了关于方法论的补充部分。