相关单词近义词 circle 圆圈, department 部门, obligation 义务, universe 宇宙, kingdom 王国, subject 话题, subject field 专题领域, discipline 纪律, subject area 主题范围, field of study 研究范围, study 研究, field 田地临近词bail, Bailen相似词bail sb/sth out, bail sth out, bailey, bailiff, bailout, bails 2, bain-marie, bairn, 返回 bailiwick