柯林斯詞典instructive /?n?str?kt?v/ 1. ADJ Something that is instructive gives useful information. 增長知識的; 有啓發(fā)性的 ...an entertaining and instructive documentary. …一部既有趣又能增長知識的紀(jì)錄片。 返回 instructive劍橋詞典giving useful or interesting information 有啓發(fā)性的；有教育意義的 返回 instructive