| 释义 |
peri·od·icAW BrE /ˌpɪəriˈɒdɪk/ NAmE /ˌpɪriˈɑːdɪk/ (also less frequent peri·od·ical BrE /ˌpɪəriˈɒdɪkl/ NAmE /ˌpɪriˈɑːdɪkl/ ) adjective [usually before noun ]happening fairly often and regularly 间发性的；定期的；周期的◆ Periodic checks are carried out on the equipment . 设备定期进行检查。▸ peri·od·ic·al·lyAW BrE /ˌpɪəriˈɒdɪkli/ NAmE /ˌpɪriˈɑːdɪkli/ adverb ◆ Mailing lists are updated periodically . 邮寄名单定期更新。 |