相关单词近義詞 preface 序文, introduction 介紹, foreword 前言, prelude 序幕, overture 提議, opening 開口, preliminary 初步的, explanation 解釋臨近詞Predi, PRE, prexxisting antibody, prevertebral ganglia, pre-warning system, preformed sulfatases, predicating equation, Pre-operative plan, pre-grinding paste, precipitating factor, pre-eruptive phase, pre-stress tendons 返回 preambulary