[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]增进知识的;有教育意义的;有启发性的 Something that is instructive gives useful information.
[oft it v-link ADJ to-inf]
It's instructive to compare his technique with Alan Bennett's.
把他的手法与艾伦·贝内特进行比较很富启发意义。
...an entertaining and instructive documentary.
既富娱乐性又有教育意义的纪录片
Oxford
in·struct·iveAWL/ɪnˈstrʌktɪv; NAmEɪnˈstrʌktɪv/adjectivegiving a lot of useful information 富有教益的;增长知识的◆a most instructive experience获益良多的经历◆It is instructive to see how other countries are tackling the problem.了解别的国家如何处理这个问题是具有启发性的。▶in·struct·ive·ly/ɪnˈstrʌktɪvli; NAmEɪnˈstrʌktɪvli/adverbin·struct·ive/ɪnˈstrʌktɪv; NAmEɪnˈstrʌktɪv/in·struct·ive·ly/ɪnˈstrʌktɪvli; NAmEɪnˈstrʌktɪvli/