informativeWiktionary 原文中文来自 ECDICTadj.提供消息的，见闻广博的构词拆分inform词根/词干+-ative后缀of, related to, or associated with the thing specified词源说明From inform + -ative.释义（英文）形容词 AdjectiveProviding information; especially, providing useful or interesting information.Of a standard or specification, not specifying requirements, but merely providing information