“preface”概念、定义、翻译-科学时代

单词	preface
释义	新闻与传播词汇手册 preface 序言；作序
随便看	unpaired fin unpaired nucleon unpalatable unpardonable sin unparliamentary unpassable duct unpassaged virus UNPC （United Nations Peace Corps） unpeopled unpermeability unperturbed unperturbed atmosphere unperturbed mind unperturbed model unperturbed motion unpick unpigmented unpiler unplanned birth unplanned derating hours (UDH) unplanned derating (UD) unplanned purchase unplanned urban growth unplanted unplasticized polyvinyl chloride pipe

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。