infin.不定式（等于infinitive）INFabbr.步兵团(=infantry)abbr.不定式(=infinitive)abbr.中程核力量(=intermediate-range nuclear forces)infatuationn.迷恋infextation感染, 侵染Infringment危害infield hit内场安全打infelicificadj.招致不幸的；不带来幸福的influent COD进水CODinfill panel填充板infatuatedlyadv.迷恋地；着迷地infinlte sum无限和Infineon SCM英飞凌单片机