相关单词同義詞circular, periodic, 近義詞 cyclical 循環的, returning 動詞return的現在進..., repeated 重複的, recurrent 再發生的反義詞acyclic, 非循環式的noncyclic, 非周期的臨近詞cyclical, cycle, cyclics, cyclicity, cyclicism, cyclic GMP, cyclic use, cyclic amp, cyclic act, cyclic rib, cyclic DNA, cyclic ring 返回 cyclic