相关单词近义词 encyclopedia 百科全书, dictionary 字典, reference 参考, reference work 考证工作临近词reference bit, reference, reference indication, reference cone angle, reference librarians, reference resistance, reference connection, Referenced threshold, reference portfolios, reference fuel scale, reference modulation, reference instrument相似词refer sb to sth/sb, refer to sb/sth, referee, reference, reference library, referendum, referent, referral, 返回 reference book