in·form·a·tive /ɪnˈfɔːmətɪv/ a. 提供消息(或资料)的；增进知识的；增长见闻的 The nurse was very informative and told me everything about his case. 这位护士提供了很多情况，把有关他病情的一切都告诉了我。 an informative book 使人增长知识的书 I turned on the television to get the news. It was always an informative half hour. 我打开电视机收看新闻节目。这向来是使人增长见闻的半个小时。