相关单词近义词 cyclical 循环的, returning 动词return的现在进..., repeated 重复的, recurrent 再发生的反义词acyclic, 非循环式的noncyclic, 非周期的临近词cyclical, cycle, cyclics, cyclicity, cyclicism, cyclic GMP, cyclic use, cyclic amp, cyclic act, cyclic rib, cyclic DNA, cyclic ring 返回 cyclicality