相关单词同义词circulation, revolution, rotation, cycle, round, 近义词 repetition 重复, return 返回, reappearance 再现, relapse 复发临近词recure, recur, recursive equation, recurrence theorem, recurring decimals, recursive topology, recursive operator, Recurrence process, recursive facility, recursive variance, recursive gradient, recursive relation相似词recumbent, recuperate, recuperative, recur, recurrent, recurring, recurring number, recursion, 返回 recurrence