相关单词同義詞reactive, 近義詞 ex post facto 事後地, retrospective 廻顧的, retro （時裝或化妝）重新流行的...反義詞proactive, 先發制人的臨近詞retrograde, retro, retroactively, retroactive law, retroactive pay, retroactive wage, retroactive bank, retroactive cost, retroactive basis, Retroactive cream, retroactive rocket, retroactive policy相似詞retrievable, retrieve, retriever, retro, retrofit, retroflex, retrograde, retrogress, 返回 retroactive