introductory

adj.介绍的，入门的

intransitive, intransitively, intrastate, intravenous, intravenously, intrench, intrepid, intrepidity, intrepidly, intricacy, intricate, intricately, intrigue, intriguer, intriguing, intrinsic, intrinsically, intro, introduce, introduction, introspect, introspection, introspective, introversion, introvert, introverted, intrude, intruder, intrusion, intrusive, intuit, intuition, intuitional, intuitive, intuitively, intumescence, Inuit, inundate, inundation, inure,