单词	nuclear sociology
释义	nuclear sociology 核社会学
随便看	principle in things principle investment bodies principle isotope principle item principle-knowledge principle layout principle learning Principle Length Principle machine principle manoeuvres of aircraft principle mark principle market principle method principle-method-recipe-medicines principle minor principle model principle motion principle norm principle of principle of ability to pay principle of ability to receive principle of abrasive wear debris formation principle of absolute advantage principle of absorption principle of abstraction