in·struc·tive /ɪnˈstrʌktɪv/ AWL adjectiveadj INFORMATIONproviding a lot of useful information 有教育意义的;有启发性的;增长知识的 SYN informative Thank you, that was very instructive. 谢谢,这很有启发性。
an instructive comparison 有启发性的比较
instructive• Lectures must be interesting as well as instructive.• The books are designed to be both entertaining and instructive.• The book is filled with instructive drawings.