相关单词近義詞 lapse 過失, relapse 複發, revert 恢複, regress 倒退, slip back 退到(退廻, reaction 反應臨近詞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 backslider