音标:[,piәri'ɔdikəli] ;
adv. 定期, 循环, 间歇, 周期, 定期刊行, 期刊
r in a sporadic manner

考试类型:[IELTS]
词性分布:
副词100%

periodically的用法和样例:

例句

用作副词(adv.)
  1. New strains of viruses appear periodically.新菌系的细菌周期性地产生。
  2. The state of knowledge in this field has been surveyed periodically in review papers.在一些评论文中对这一领域的动态周期性地进行了评述。
  3. Periodically, someone comes by with a truck to fill them.有些人定期地用卡车运输食品,装进机器。
  4. Drones must return periodically to recharge their weapons and propulsion systems.雄蜂一定定期地回复再休整他们的武器和推进系统。

词汇搭配

  • periodic周期的
  • periodically operated switch周期动作开关...
  • periodically focused周期性聚焦的...
  • quasi-periodically keyed emission准周期键控发射...
  • periodically waterlogged周期性积水的...

经典引文

  • Periodically, we had to give concerts..in front of our parents.

    出自:N. Sedaka
  • Freud read Latin and quotes in it periodically through his writings.

    出自:N. Symington
【近义词】

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