形容词
中文翻译：解释性的
同义词：
['explicationary', 'elucidatory', 'explanatory']
例句：
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1. The lecture was very expatiatory in explaining complex concepts.
讲座非常解释性地讲解了复杂的概念。
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2.The book is filled with expatiatory notes that clarify the text.
这本书充满了解释性的注释，以阐明文本。
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3. The professor's explanation was very expatiatory, making it easy to follow.
教授的解释非常解释性，使得易于理解。