名词
中文翻译：补充的
同义词：
['additional', 'additional material', 'supplementary', 'supplementing']
例句：
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1. Theteacher provided additional explanations to help us understand the concept better.
老师提供了额外的解释，帮助我们更好地理解这个概念。
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2. The research paper included supplementary data to support the findings.
研究报告包含了补充数据，以支持发现。
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3.The company added a supplementary service to its product line.
公司为产品线增加了一个附加服务。