相关单词同义词region, extent, spectrum, territory, area, 近义词 border, bounds, limit临近词boundless, bound, Boundary., boundary map, boundary set, boundary bay, BoundaryScan, boundary row, boundary slip, boundary cost, boundary fill, boundary tree相似词bouncy, bouncy castle, bound, bound up, bounden duty, bounder, boundless, bounteous, 返回 boundary