相关单词近义词 lapse 过失, relapse 复发, revert 恢复, regress 倒退, slip back 退到(退回, reaction 反应临近词backemf, back, back-rocker driving, backfill of earth dam, back inlet gully trap, back pressure turbine, Backhau's towel clamp, back donating bonding, back-up roll sleeve, back order memorandum, backsteppingalgorithm, back through the gate 返回 backsliding