相关单词同义词limit, block, bottleneck, 近义词 bar, difficulty, obstacle, obstruction, restriction反义词advantage, help, opening, passage临近词barrio, barricade, Barriera, Barriero, Barriere, barriers, Barrieras, barrier dam, barrier bar, barrier bed, barrierfree, barrier bag相似词barren, Barrett's oesophagus, barrette, barricade, barrier cream, barrier reef, barring, barrio, 返回 barrier