| 单词 | periodic |
| 释义 | periodic / (Pian'odik; , pirTadik/ adj occurring or appearing at regular intervals: 定丽的; 周期的： ~ attacks of malaria; 的周期性发作; the ~ revolution of a heavenly body. 星球的周期性运转… ~ 'table, (chem) tabular arrangement of the elements according to their atomic weights and common properties. (化学) 周期表。 periodical /-kl; -KI/ adj = ~ .o n magazine or other publication which appears at regular intervals, eg monthly, quanerly. 期刊 (定期如每月或揺季出版的雑志四其 M 刊勘。 periodically /-kii; -kli/ adv |
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