introduction
n.介绍;引言,导言;采用,引进;新采用的东西
网络解释.介绍;引进;简介;引种
词形变化:
复数:introductions
preface institution overture admission opening preliminary
n.介绍;引言,导言;采用,引进;新采用的东西
网络解释.介绍;引进;简介;引种
词形变化:
复数:introductions
preface institution overture admission opening preliminary