形容词
中文翻译：补充的
同义词：
['additional', 'supplementary', 'auxiliary']
例句：
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1.The textbook includes a supplementary section on statistics.
这本教科书包括一个关于统计学的补充部分。
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2.The teacher provided additional resources to support the lesson.
老师提供了额外的资源来支持这节课。
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3.The student was given an additional test to evaluate his progress.
学生被额外测试了一次以评估他的进展。