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periodic illustration

periodic

/ˌpɪəriˈɒdɪk/ · /ˌpɪriˈɑːdɪk/

CEFR level C1Topic ScienceWord #5786 in the learning path

周期性的;定期的

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Definitions

adj. happening repeatedly, often at regular intervals

周期性的;定期的

Example

The old boiler needs periodic checks to keep working safely.

这台旧锅炉需要定期检查,才能继续安全运行。

Periodic assessments allow teachers to identify learning difficulties before students fall significantly behind their classmates.

定期评估能让教师在学生明显落后于同学之前发现其学习困难。

Collocations

  • periodic checks
  • periodic review
  • periodic table

Word family

  • period (n.)
  • periodically (adv.)
  • periodicity (n.)

Synonyms

  • recurring

Usage tip

periodic是形容词,不是名词;副词为periodically。

FAQ

What does periodic mean?
happening repeatedly, often at regular intervals
How is periodic pronounced?
UK /ˌpɪəriˈɒdɪk/, US /ˌpɪriˈɑːdɪk/. Use the audio buttons above to listen.

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