periodic
🇬🇧/ˌpɪəriˈɒdɪk/ 🇺🇸/ˌpɪriˈɑːdɪk/📚 7847 62 1六级托福Periodic events or situations happen occasionally, at fairly regular intervals. 周期性的
adjective [原级]阶段性的，定期的；（化学）元素周期表的；（修辞）完整句的
Periodic checks are taken to ensure that high standards are maintained.
进行周期性检查以确保高标准得以维持。
来自period(n. 周期)
单词造句:
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- Periodic checks are carried out on the equipment. 设备定期进行检查。
- So is my version of the periodic table wrong? 那么我的元素周期表是错的吗？