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n.介绍; (尤指)前奏，前言，导言 复数：intros 牛津词典 noun 介绍；（尤指）前奏，前言，导言an introduction to sth, especially to a piece of music or writing 柯林斯词典 N-COUNT 引子;简介;前奏The intro to a song, programme, or book is the first...
