形容词
中文翻译：Unknown
同义词：
['instructive', 'enlightening', 'illuminating']
例句：
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1. The lecture was illuminative and helped me understand the topicbetter.
这次讲座很有启发性，帮助我更好地理解了主题。
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2. Thesun is an illuminative source of light forus.
太阳是我们照亮的来源。
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3. The teacher's words were illuminativeand made the class more engaging.
老师的话很有启发性，使课堂更加生动有趣。