Question

periodic adj.周期的;定期的;回归的;间歇的，时而发生的; adv:periodically~

Accepted Answer

英[ˌpɪəriˈɒdɪk]  美[ˌpɪriˈɑdɪk] ADJ间发性的；定期的；周期的Periodic events or situations happen occasionally, at fairly regular intervals.例：Periodic checks are taken to ensure that high standards are maintained.定期检查以确保维持高水准。例：...periodic bouts of illness.周期性发病

单词	periodic
音标	英[ˌpɪəriˈɒdɪk] 美[ˌpɪriˈɑdɪk]
解释	adj.周期的;定期的;回归的;间歇的，时而发生的;
例句	ADJ 间发性的；定期的；周期的 Periodic events or situations happen occasionally, at fairly regular intervals. 例：Periodic checks are taken to ensure that high standards are maintained.定期检查以确保维持高水准。例：...periodic bouts of illness.周期性发病
变形	adv:periodically~

Periodic 英[ˌpɪəriˈɒdɪk 美[ˌpɪriˈɑdɪk Adj.周期的;定期的;回归的;间歇的，时而发生的 Adj 间发性的；定期的；周期的 Events Situations