| 单词 | periodic |
| 释义 | Word Frequency periodic(ˌpɪərɪˈɒdɪk) adjective 1. happening or recurring at intervals; intermittent 2. of, relating to, or resembling a period 3. having or occurring in repeated periods or cycles Derived forms periodically (ˌperiˈodically) adverb periodicity (ˌpɪərɪəˈdɪsɪtɪ) noun |
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