adj.有益的，富有教益的，增长知识的

This lecture was instructive and interesting.
那次讲演既有益又有趣。
The lectures must be interesting as well as instructive.
讲课一定要既有趣又具启发性。
They provided a very instructive answer.
他们提供了一个非常有益的答案。
The science museum provides an instructive and entertaining experience for children.
科学博物馆为孩子们提供了既有教育意义又有趣的体验。
The documentary film offers an instructive insight into the complexities of modern politics.
这部纪录片对现代政治的复杂性提供了富有教益的深刻见解。
Her journey from adversity to success is an instructive tale of perseverance and determination.
她从逆境走向成功的经历是一个关于毅力和决心的富有启发性的故事。
The cooking class was not only fun but also highly instructive, teaching us many new techniques.
烹饪课不仅有趣，而且极具教育意义，教会了我们许多新技巧。
The book on time management is filled with instructive examples that can be applied to daily life.
这本关于时间管理的书充满了可以应用于日常生活中的富有指导性的例子。
The historical site serves as an instructive reminder of the importance of unity in times of crisis.
这个历史遗址是一个富有教育意义的警示，提醒我们在危机时刻团结的重要性。
The workshop on communication skills was instructive, helping participants improve their interpersonal relationships.
沟通技巧研讨会很有教育意义，帮助参与者改善了人际关系。
His speech at the conference was both informative and instructive, offering valuable insights into market trends.
他在会议上的演讲既提供了信息又具有教育意义，对市场趋势提供了宝贵的见解。
The case study presented an instructive analysis of how a small business can successfully compete against larger corporations.
该案例研究提供了一个富有启发性的分析，展示了小企业如何成功地与大公司竞争。
The biology experiment was not just instructive but also engaging, sparking students' curiosity about the natural world.
生物实验不仅具有教育意义，而且引人入胜，激发了学生们对自然世界的好奇心。