短語詞組短語overflow periodically 周期性泛濫collect periodically 定期收集visit periodically 周期性地逗留mend periodically 周期性地康復(fù)renew periodically 階段性地恢復(fù)periodically deforming 周期性變形periodically excited 周期激勵periodically attenuating 周期性細(xì)化 返回 periodically